# Study sets matching "pre algebra geometry basics"

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4.1

This is where it all begins: basic shap…

Point

Line

Basic Shapes

Read on and let us take you on a magical geometry tour...

- A single location.... - Usually drawn as a dot.... - It is "dime…

- A straight path passing through at least two points.... - Exte…

4.1

Basic Shapes

This is where it all begins: basic shap…

Read on and let us take you on a magical geometry tour...

Parallel Lines

Transversal

Corresponding Angles

Alternate Interior Angles

two lines that never intersect

a line that intersect 2 or more lines

Angles that are in the same position on the parallel lines in…

Angles that are inside parallel lines and on opposite sides of…

Parallel Lines

two lines that never intersect

Transversal

a line that intersect 2 or more lines

Parallel Lines

Perpendicular Lines

Transversal Angles

Interior Angles (Transversal)

2 lines that do not intersect. Symbol is II.

Lines that intersect to form a right angle of 90 degrees. Symb…

A line that intersects 2 or more parallel lines and forms 8 an…

The angles found on the inside of two parallel lines.... Ex: angl…

Parallel Lines

2 lines that do not intersect. Symbol is II.

Perpendicular Lines

Lines that intersect to form a right angle of 90 degrees. Symb…

Acute Angle

Obtuse Angle

Straight Angle

Right Angle

An angle with a measure greater than 0 degrees and less than 9…

An angle with a measure greater than 90 degrees and less than…

An angle that equals 180 degrees.

An angle that equals 90 degrees.

Acute Angle

An angle with a measure greater than 0 degrees and less than 9…

Obtuse Angle

An angle with a measure greater than 90 degrees and less than…

ratio

equivalent ratios

proportion

conversion factors

a comparison of two quantities by division

ratios that make the same comparison

an equation that states that two ratios are equivalent

ratios of equal quantities, for example 1 ft./12 in.

ratio

a comparison of two quantities by division

equivalent ratios

ratios that make the same comparison

Vertex

Adjacent Angles

Complementary Angles

Supplementary Angles

A vertex is an intersection point of angles, lines, polygons a…

Two angles that are side-by-side and share one side or ray are…

Two Angles that are adjacent and sum 90 degrees are compliment…

Two angles that are adjacent and sum 180 degrees are supplemen…

Vertex

A vertex is an intersection point of angles, lines, polygons a…

Adjacent Angles

Two angles that are side-by-side and share one side or ray are…

1. An exact position or location on a p…

A triangle with 3 unequal sides.

Area = pi times the radius squared.

A line segment that goes from one corne…

point

scalene triangle

area of a circle

diagonal

1. An exact position or location on a p…

point

A triangle with 3 unequal sides.

scalene triangle

Polygon

Regular Polygon

Convex

Concave

A closed figure formed by three or more line segments

a polygon with all sides and all angles equal

curved outward

curving inward

Polygon

A closed figure formed by three or more line segments

Regular Polygon

a polygon with all sides and all angles equal

Point

Line

Line segment

Ray

An exact location in space

A straight arrangement of points that extend forever in opposi…

A part of a line with two endpoints

A part of a line with one end point

Point

An exact location in space

Line

A straight arrangement of points that extend forever in opposi…

acute angle

adjacent angle

complementary angles

obtuse angle

An angle less than 90 degrees but more than 0 degrees.

Angles that have a common side and a common vertex (corner poi…

Two angles whose sum is 90 degrees.

An angle that measures more than 90 degrees but less than 180…

acute angle

An angle less than 90 degrees but more than 0 degrees.

adjacent angle

Angles that have a common side and a common vertex (corner poi…

Prism

Pyramid

Cylinder

Cone

A polyhedron that has two congruent polygon-shaped bases and o…

A polyhedron with a polygon base and triangular sides that all…

A 3-D figure with 2 parallel, congruent circular bases connect…

A 3-D figure with 1 vertex and 1 circular base

Prism

A polyhedron that has two congruent polygon-shaped bases and o…

Pyramid

A polyhedron with a polygon base and triangular sides that all…

Line Segment

Ray

Angle

Right Angle

A portion of a line that is bounded by two fixed points

A fixed point and the portion of a line to one of its sides

The amount of rotation of a ray about its endpoint

90 degree angle

Line Segment

A portion of a line that is bounded by two fixed points

Ray

A fixed point and the portion of a line to one of its sides

coefficient

constant

integer

reciprocal

THE number times a variable........... (you must start with th…

a number without a variable

+ and - whole numbers

a flipped fraction

coefficient

THE number times a variable........... (you must start with th…

constant

a number without a variable

Pythagorean Theorem

Complementary angles

Supplementary angles

Parallel lines

In a right triangle, the square of the length of the hypotenus…

either of two angles whose sum is 90°

either of two angles whose sum is 180°

Two lines on the same plane that never intersect or cross. The…

Pythagorean Theorem

In a right triangle, the square of the length of the hypotenus…

Complementary angles

either of two angles whose sum is 90°

triangle

interior angle

exterior angle

remote interior angle

a figure formed by three line segments that intersect only at…

an angle inside a polygon

an angle outside a polygon

the angles of a triangle that are not adjacent to a given exte…

triangle

a figure formed by three line segments that intersect only at…

interior angle

an angle inside a polygon

transformation

preimage

image

translation

an operation that maps an original geometric figure, the preim…

the original image before a transformation

the resulting figure after a transformation

A transformation that "slides" a figure from one position to a…

transformation

an operation that maps an original geometric figure, the preim…

preimage

the original image before a transformation