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Section 1

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Colinear points

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Geometry Math

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6 years ago

Date created

Mar 1, 2020

Cards (25)

Section 1

(25 cards)

Colinear points

Front

Points that lie on the same line

Back

Perpendicular bisector

Front

A line that is perpendicular to a segment at its midpoint.

Back

Median of a triangle

Front

A segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side

Back

Alternate Interior Angles

Front

The angles that are on opposite (or alternate) sides of the transversal and are on the INSIDE (or interior) of the parallel lines. They are EQUAL (congruent) to one another.

Back

Angle bisector

Front

a ray that divides an angle into two congruent angles

Back

Vertical Angles

Front

A pair of opposite congruent angles formed by intersecting lines

Back

Corresponding angles

Front

Angles that have the same position on two different parallel lines cut by a transversal.

Back

Adjacent angles

Front

Two angles that share a common side and have the same vertex

Back

Congruent angles or sides

Front

Angles or line segments that have the same measure

Back

Slopes of parallel lines

Front

The slopes of these types of lines are equivalent

Back

Supplementary angles

Front

Angles whose measure adds up to 180 degrees.

Back

Distance formula

Front

Back

Formula for midpoint

Front

Back

Pythagorean Theorem

Front

Back

Angle - angle - side (AAS)

Front

if two angles and a non-included side of one triangle are congruent to two angles and a non-included side of another triangle, then the two triangles are congruent

Back

Same side interior angles

Front

The two angles that are inside (interior) the parallel lines and are on the same side of the transversal Are SUPPLEMENTARY (add up to 180 degrees)

Back

Formula for slope (from 2 points)

Front

rise / run

Back

Side - side - side (SSS)

Front

If three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent

Back

Alternate Exterior Angles

Front

The angles that are on opposite (or alternate) sides of the transversal and are on the OUTSIDE (or exterior) of the parallel lines. They are EQUAL (congruent) to one another.

Back

Side - angle - side (SAS)

Front

If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent

Back

Hypotenuse - leg (HL)

Front

If the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and a leg of another right triangle, then the triangles are congruent

Back

Slopes of perpendicular lines

Front

The slopes of these types of lines are opposite reciprocals

Back

Complimentary angles

Front

Angles whose measure adds up to 90 degrees.

Back

Altitude of a triangle

Front

the perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side

Back

Angle - side - angle (ASA)

Front

If two angles and the included side of one triangle are congruent to two angles and that included side of another triangle, then the two triangles are congruent

Back