Semester 1 Final Exam Vocab Review

Front

Ray

Back

A part of a line with one distinct endpoint that extends infinitely in one direction.

Front

Angle

Back

Two noncollinear rays which share a common endpoint.

Front

Linear Pair

Back

Adjacent Angles whose non-common sides are opposite rays.

Front

Scalene Triangle

Back

A triangle with all sides of different lengths.

Front

Isosceles Triangle

Back

A triangle with at least two sides of equal length.

Front

Equilateral Triangle

Back

A triangle with all three sides of equal length.

Front

Convex Quadrilateral

Back

A four-sided shape where all interior angles are less than 180 degrees.

Front

Concave Octagon

Back

An eight-sided shape with at least one interior angle greater than 180 degrees.

Front

Complementary Angles

Back

Two angles whose measures add up to exactly 90 degrees.

Front

Supplementary Angles

Back

Two angles whose measures add up to exactly 180 degrees.