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Section 1

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triangle sum theorem

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Geometry Math

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6 years ago

Date created

Mar 14, 2020

Cards (23)

Section 1

(23 cards)

triangle sum theorem

Front

The sum of the measures of the interior angles of a triangle is 180 degrees

Back

Congruent

Front

Having the same size and shape

Back

parallel lines

Front

lines in the same plane that never intersect

Back

Vertical Angles

Front

A pair of opposite congruent angles formed by intersecting lines

Back

Transitive property

Front

If a=b and b=c, then a=c

Back

Supplementary angles

Front

Two angles whose sum is 180 degrees

Back

Line segment

Front

A part of a line with two endpoints

Back

Angle addition postulate

Front

If P is in the interior of <RST, then m<RSP + m<PST = m<RST

Back

corresponding angles

Front

Angles formed by a transversal cutting through 2 or more lines that are in the same relative position.

Back

Linear Pair

Front

A pair of adjacent angles whose noncommon sides are opposite rays.

Back

transversal

Front

a line that intersects two or more coplanar lines at different points

Back

alternate exterior angles

Front

Angles that lie outside a pair of lines and on opposite sides of a transversal.

Back

Line

Front

1. A long thin mark on a surface. 2. A continuous extent of length, straight or curved, without breadth or thickness; the trace of a moving point. 3. Long, narrow mark or band.

Back

Segment addition postulate

Front

If B is between A and C, then AB + BC = AC

Back

alternate interior angles

Front

angles between 2 lines and on opposite sides of a transversal

Back

same side interior angles

Front

two interior angles on the same side of the transversal

Back

Collinear

Front

Points that lie on the same line

Back

Complementary angles

Front

Two angles whose sum is 90 degrees

Back

Angle bisector

Front

a ray that divides an angle into two congruent angles

Back

Midpoint

Front

A point that divides a segment into two congruent segments

Back

Substitution property

Front

If a=b, then a can be substituted for b in any equation or expression

Back

same side exterior angles

Front

two exterior angles on the same side of the transversal

Back

Segment bisector

Front

a segment, ray, line, or plane that intersects a segment at its midpoint

Back