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Bases of parallelogram

Height of parallelogram

Area

Height of trapezoid

either pair of parallel sides of parallelogram

perpendicular distance between the bases of a ... parallelogram

number of 1 x 1 squares that fit into a region

perpendicular distance between bases of trapezoid

Bases of parallelogram

either pair of parallel sides of parallelogram

Height of parallelogram

perpendicular distance between the bases of a ... parallelogram

Acute triangle

Obtuse triangle

vertex

perpendicular

A triangle that contains only angles that are less than 90 de…

a triangle with one obtuse angle

The common endpoint of an angle

two lines that intersect to form right angles

Acute triangle

A triangle that contains only angles that are less than 90 de…

Obtuse triangle

a triangle with one obtuse angle

chord

diameter

radius

secant

A segment whose endpoints lie on a circle

A chord that passes through the center of the circle

A straight line from the center to the circumference of a cir…

A line that intersects a circle in two points

chord

A segment whose endpoints lie on a circle

diameter

A chord that passes through the center of the circle

Radius

Circle

Circumference

Pi

The circle and one endpoint at the center of the circle (or h…

Set of all points in a plane that are equidistant from the ce…

The distance around a circle

The ratio of a circle's circumference to its diameter (3.1415…

Radius

The circle and one endpoint at the center of the circle (or h…

Circle

Set of all points in a plane that are equidistant from the ce…

What is a tangent to a circle?

What is the point of tangency?

If a line is tangent to a circle...

If a line in the plane of a circle is…

A line in the plane of the circle that intersects the circle…

The point where the circle and tangent intersect.

then the line is perpendicular to the radius drawn to the poi…

then the line is tangent to the circle.

What is a tangent to a circle?

A line in the plane of the circle that intersects the circle…

What is the point of tangency?

The point where the circle and tangent intersect.

Postulate 24... Area of a Square Postulate

Theorem 11.1... Area of a Rectangle

Theorem 11.2... Area of a Parallelogram

Theorem 11.3... Area of a Triangle

The area of a square is the square of the length of its side.…

The area of a rectangle is the product of its base and its he…

The area of a parallelogram is the product of a base and its…

The area of a triangle is one half the product of a base and…

Postulate 24... Area of a Square Postulate

The area of a square is the square of the length of its side.…

Theorem 11.1... Area of a Rectangle

The area of a rectangle is the product of its base and its he…

acute triangle

obtuse triangle

vertex

perpendicular

a triangle that contains only angles that are less than 90 de…

a triangle with one obtuse angle

the common endpoint of an angle

two lines that intersect to form right angles

acute triangle

a triangle that contains only angles that are less than 90 de…

obtuse triangle

a triangle with one obtuse angle

regular polygon

congruent

not a regular polygon

polygon

a polygon in which all sides and all angels are congruent

having the same size and same shape

A polygon where not all the sides are congruent and not all a…

is a closed plane figure formed by three or more line segment…

regular polygon

a polygon in which all sides and all angels are congruent

congruent

having the same size and same shape

Base of a Parallelogram

Height of a Parallelogram

Base of a Triangle

Height of a Triangle

Any side of a parallelogram

The perpendicular distance between the bases of a parallelogram

Any side of a triangle

The length of an altitude drawn to a given base of a triangle

Base of a Parallelogram

Any side of a parallelogram

Height of a Parallelogram

The perpendicular distance between the bases of a parallelogram

Adjacent Angles

Complementary Angles

Supplementary Angles

Transversal Line

Angles that have the same vertex and a common side

Two angles that add up to 90 degrees

Two angles that add up to 180 degrees

A line that intersects two or more lines

Adjacent Angles

Angles that have the same vertex and a common side

Complementary Angles

Two angles that add up to 90 degrees

Adjacent arcs

arc

arc length

center of a circle

Adjacent arcs are on the same circle and have exactly one poi…

part of a circle or curve

The length of an arc of a circle is the product of the ratio:…

the given point from which all points on a circle are equidis…

Adjacent arcs

Adjacent arcs are on the same circle and have exactly one poi…

arc

part of a circle or curve

Acute Triangle

decagon

equilateral triangle

hexagon

A triangle with 3 acute angles

A polygon with 10 sides and 10 angles

A triangle with three congruent sides

A polygon with 6 sides and 6 angles

Acute Triangle

A triangle with 3 acute angles

decagon

A polygon with 10 sides and 10 angles

Nets for Three-Dimensional Figures

Arc Length

Converting Between Degrees and Radians

Area of a Circle

A two-dimensional pattern that can be folded to form the thre…

The ratio of the length of a given arc to the circumference i…

Opposite for radians to degrees

A = πr²

Nets for Three-Dimensional Figures

A two-dimensional pattern that can be folded to form the thre…

Arc Length

The ratio of the length of a given arc to the circumference i…

Euler's Formula

Prism

Bases

Lateral faces

The sum of the number of faces (F) and vertices (V) of a poly…

Polyhedron with two congruent, parallel faces, called bases.

Two congruent, parallel faces.

A face on a figure other than a base.

Euler's Formula

The sum of the number of faces (F) and vertices (V) of a poly…

Prism

Polyhedron with two congruent, parallel faces, called bases.

Area of a Square Postulate

Area Congruence Postulate

Area Addition Postulate

Area of a Square

The area of a square is the square of the length of a side

If two figures are congruent, then they have the same area

The area of a region is the sum of the area of its non-overla…

A = s²

Area of a Square Postulate

The area of a square is the square of the length of a side

Area Congruence Postulate

If two figures are congruent, then they have the same area

The altitude to the hypotenuse of a ri…

The altitude to the hypotenuse of a ri…

Each leg of a right triangle is

The Pythagorean Theorem

two triangles similar to it and to each other.

the geometric mean between the segments into which it divides…

the geometric mean between the hypotenuse and its projection…

In a right triangle, the square of the hypotenuse is equal to…

The altitude to the hypotenuse of a ri…

two triangles similar to it and to each other.

The altitude to the hypotenuse of a ri…

the geometric mean between the segments into which it divides…

Apothem

Base of a parallelogram

Base of a triangle

Center of a regular polygon

A segment from the center of a regular polygon perpendicular…

Any side of the parallelogram

Any side of the triangle

Center of a circumscribed circle

Apothem

A segment from the center of a regular polygon perpendicular…

Base of a parallelogram

Any side of the parallelogram

Adjacent arcs

arc

arc length

center of a circle

Adjacent arcs are on the same circle and have exactly one poi…

part of a circle or curve

The length of an arc of a circle is the product of the ratio:…

the given point from which all points on a circle are equidis…

Adjacent arcs

Adjacent arcs are on the same circle and have exactly one poi…

arc

part of a circle or curve

polyhedron

face

edge

vertex

a solid figure bounded by plane polygons or faces

a surface of a polyhedron

the line along which two surfaces of a solid meet.

each angular point of a polygon, polyhedron, or other figure.

polyhedron

a solid figure bounded by plane polygons or faces

face

a surface of a polyhedron

The altitude to the hypotenuse of a ri…

The altitude to the hypotenuse of a ri…

Each leg of a right triangle is the ge…

The Isosceles Right Triangle Theorem

...two triangles similar to it and each other

...the geometric mean between the segments into which it divi…

...the hypotenuse and its projection on the hypotenuse

In an isosceles right triangle, the hypotenuse is √2 times th…

The altitude to the hypotenuse of a ri…

...two triangles similar to it and each other

The altitude to the hypotenuse of a ri…

...the geometric mean between the segments into which it divi…

prism

congruent

polygon

regular polygon

a solid figure with two congruent polygons that are bases, co…

having the same size and shape

a closed plane figure formed by 3 or more straight line segme…

a polygon in which all sides are congruent and all angles are…

prism

a solid figure with two congruent polygons that are bases, co…

congruent

having the same size and shape

Base of a Parallelogram

Height of a Paralleogram

Area Addition Postulate

Area of a Parallelogram

any side of a parallelogram

The perpendicular distance between any two parallel bases

The area of a region is the sum of the areas of its nonoverla…

The area A of a parallelogram is the product of a base b and…

Base of a Parallelogram

any side of a parallelogram

Height of a Paralleogram

The perpendicular distance between any two parallel bases

Sine Ratio

Ratio: Sine

Angle of Elevation

Angle of Depression

In a right triangle, ___________ for an acute angle is the ra…

length of side opposite the acute angle / length of hypotenuse

the angle A measured upward from the horizontal ray

the angle B measured downward from the horizontal ray

Sine Ratio

In a right triangle, ___________ for an acute angle is the ra…

Ratio: Sine

length of side opposite the acute angle / length of hypotenuse

Nets for Three-Dimensional Figures

Arc Length

Area of a Circle

Area of a Sector

A two-dimensional pattern that can be folded to form the thre…

The ratio of the length of a given arc to the circumference i…

A = πr²

The ratio of the area of a sector of a circle to the area of…

Nets for Three-Dimensional Figures

A two-dimensional pattern that can be folded to form the thre…

Arc Length

The ratio of the length of a given arc to the circumference i…

Base of a Parallelogram

Height of a Paralleogram

Area Addition Postulate

Area of a Parallelogram

any side of a parallelogram

The perpendicular distance between any two parallel bases

The area of a region is the sum of the areas of its nonoverla…

The area A of a parallelogram is the product of a base b and…

Base of a Parallelogram

any side of a parallelogram

Height of a Paralleogram

The perpendicular distance between any two parallel bases

Adjacent arcs

arc

arc length

center of a circle

Adjacent arcs are on the same circle and have exactly one poi…

part of a circle or curve

The length of an arc of a circle is the product of the ratio:…

the given point from which all points on a circle are equidis…

Adjacent arcs

Adjacent arcs are on the same circle and have exactly one poi…

arc

part of a circle or curve

center of a polygon

radius of a polygon

apothem of a polygon

central angle of a regular polygon

the center of its circumscribed circle

the radius of its circumscribed circle

the distance from the center of a polygon to any side of the…

an angle whose vertex is the center of the polygon and whose…

center of a polygon

the center of its circumscribed circle

radius of a polygon

the radius of its circumscribed circle

Adjacent arcs

arc

arc length

center of a circle

Adjacent arcs are on the same circle and have exactly one poi…

part of a circle or curve

The length of an arc of a circle is the product of the ratio:…

the given point from which all points on a circle are equidis…

Adjacent arcs

Adjacent arcs are on the same circle and have exactly one poi…

arc

part of a circle or curve

chord

diameter

radius

secant

A segment whose endpoints lie on a circle

A chord that passes through the center of the circle

A straight line from the center to the circumference of a cir…

A line that intersects a circle in two points

chord

A segment whose endpoints lie on a circle

diameter

A chord that passes through the center of the circle

polygon

congruent

regular polygon

triangle

a closed figure formed by 3 or more line segments that meet a…

two polygons that have the same size and the same shape

when a polygon has all sides and angles are congruent

a closed three sided shape; ... equilateral - 3 equal sides and…

polygon

a closed figure formed by 3 or more line segments that meet a…

congruent

two polygons that have the same size and the same shape

Altitude of a Prism and Cylinder

Altitude of a Pyramid

Altitude of a Cone

Base of a Prism

Is a perpendicular segment that joins the planes of the bases

Is the perpendicular segment from the vertex to the plane of…

Is a perpendicular segment from the vertex to the center of t…

Two congruent and parallel faces

Altitude of a Prism and Cylinder

Is a perpendicular segment that joins the planes of the bases

Altitude of a Pyramid

Is the perpendicular segment from the vertex to the plane of…