Review of Angle Basics

Front

Supplementary angles always add up to

Back

180

Front

What angle is vertical to angle 2?

Back

∠5

Front

∠7 and ∠8 are _______________

Back

Nothing

Front

Complementary angles always add up to

Back

90

Front

Which names a pair of adjacent angles?

Back

∠CXD and ∠DXE

Front

What are vertical angles?

Back

Angles opposite each other when two lines cross, they are equal.

Front

What are adjacent angles?

Back

Angles that share a common side and vertex.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.