Chapter 7 Vocab Study Guide

Front

What is an angle less than 90 degrees called?

Back

Acute Angle

Front

What is an angle greater than 90 degrees called?

Back

Obtuse Angle

Front

What is an angle exactly 90 degrees called?

Back

Right Angle

Front

What is an angle exactly 180 degrees called?

Back

Straight Angle

Front

What is an angle greater than 180 degrees but less than 360 degrees called?

Back

Reflex Angle

Front

What do you call two angles that share a common side and have the same vertex?

Back

Adjacent

Front

What do you call two angles that are formed by the intersection of two lines, have the same measure, and share a common vertex?

Back

Vertical

Front

What is the term for angles that are the same or equal?

Back

Congruent

Front

What is the term for the sum of two or more angles being 90 degrees?

Back

Complementary Angles

Front

Term for the sum of two or more angles being 180 degrees?

Back

Supplementary Angles