# Study sets matching "geometry chapter 11"

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Area Addition Postulate

Are of Parallelogram

Area of Congruent Postulate

Are of Triangle

Are of region is sum of the areas of its non-overlapping points

Area=Base*Height

2 figures that are congruent have the same area

Area=1/2

**Base**HeightArea Addition Postulate

Are of region is sum of the areas of its non-overlapping points

Are of Parallelogram

Area=Base*Height

adjacent arcs

arcs

center

central angle

arcs of a circle with one point in common

a set of points along a circle defined by a central angle

point in the middle of a circle

an angle whose vertex is the center of a circle and whose side…

adjacent arcs

arcs of a circle with one point in common

arcs

a set of points along a circle defined by a central angle

A line in the plane of the circle that…

The point where the circle and tangent…

then the line is perpendicular to the r…

then the line is tangent to the circle.

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 perpendicular to a radiu…

A line in the plane of the circle that…

What is a tangent to a circle?

The point where the circle and tangent…

What is the point of tangency?

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

Radius

Circle

Circumference

Pi

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

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

The distance around a circle

The ratio of a circle's circumference to its diameter (3.14159…

Radius

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

Circle

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

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 circ…

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

Area Addition Postulate

Area of Parallelogram

Area of Congruent Postulate

Area of Triangle

Area of region is sum of the areas of its non-overlapping poin…

Area=Base*Height

2 figures that are congruent have the same area

Area=1/2

**Base**HeightArea Addition Postulate

Area of region is sum of the areas of its non-overlapping poin…

Area of Parallelogram

Area=Base*Height

Polyhedron

Cone

Cylinder

Lateral area

A closed 3D figure formed by four or more polygons that inters…

A solid that has one base and a vertex not on the same plane.

3D figure with two parallel congruent circular bases and a cur…

the sum of the areas of the lateral faces

Polyhedron

A closed 3D figure formed by four or more polygons that inters…

Cone

A solid that has one base and a vertex not on the same plane.

A perpendicular segment from the highes…

The circle of the 3D figure.

The non triangular face of a pyramid.

The two congruent and parallel faces of…

Altitude (Height) of Space Figures

Base of a Cone and Cylinder

Base of a Pyramid

Bases of a Prism

A perpendicular segment from the highes…

Altitude (Height) of Space Figures

The circle of the 3D figure.

Base of a Cone and Cylinder

Surface area of pyramids

Volume of Pyramid

Surface area of a cone

Volume of a cone

Find the area of the base (B) and the area of each of the tria…

V=(1/3)Bh

SA=... πr²+πrl

V=... 1/3πr²h

Surface area of pyramids

Find the area of the base (B) and the area of each of the tria…

Volume of Pyramid

V=(1/3)Bh

cone

cross section

cylinder

great circle

a solid that has one base that is a circle and a vertex that i…

the intersection of a solid and a plane.

a solid that has 2 parallel bases that are both circles.

when a plane intersects a sphere, the cross section is always…

cone

a solid that has one base that is a circle and a vertex that i…

cross section

the intersection of a solid and a plane.

Polyhedron

Face

Edge

Vertex

Three dimensional figure whose surfaces are polygons

Each polygon is a face of the polyhedron

Line segment formed by the intersection of two faces of the po…

Point where three or more edges meet

Polyhedron

Three dimensional figure whose surfaces are polygons

Face

Each polygon is a face of the polyhedron

Apothem of a Regular Polygon

Arc Length

Axis of Revolution

Cavalieri's Principle

The distance from the center to any side of a... regular polygon

A portion of the circumference of a circle

The line around which a two-dimensional shape is rotated to fo…

If two solids have the same height and the same cross-sectiona…

Apothem of a Regular Polygon

The distance from the center to any side of a... regular polygon

Arc Length

A portion of the circumference of a circle

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

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

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 an…

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

regular polygon

a polygon in which all sides and all angels are congruent

congruent

having the same size and same shape

acute triangle

obtuse triangle

vertex

perpendicular

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

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 deg…

obtuse triangle

a triangle with one obtuse angle

Adjacent arcs

arc

arc length

center of a circle

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

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 equidist…

Adjacent arcs

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

arc

part of a circle or curve

Radius of a circle

Diameter of a circle

Apothem

Radius of a regular polygon

Distance from the center to any point on the circle

Distance across the circle

Perpendicular line from the center of a regular polygon to any…

Distance from the center of a regular polygon to a vertex

Radius of a circle

Distance from the center to any point on the circle

Diameter of a circle

Distance across the circle

apothem

base of a parallelogram

base of a triangle

center of a regular polygon

a segment that is drawn from the center of a regular polygon p…

any side of a parallelogram

any side of a triangle from which the height of a triangle is…

The point that is equidistant from all vertices of the regular…

apothem

a segment that is drawn from the center of a regular polygon p…

base of a parallelogram

any side of a parallelogram