Angles Definitions

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

Which angles are Supplementary Angles? (∠1 and ∠4, ∠1 and ∠6, ∠1 and ∠7, ∠1 and ∠3)

Back

∠1 and ∠4.

Front

If m∠1 = 30°, then m∠3 = ? (30°, 60°, 150°, undetermined)

Back

30°.

Front

What type of angles are these? (Adjacent Angles, Linear Pair, Complementary Angles, Supplementary Angles, Vertical Angles)

Back

Adjacent Angles.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is the sum of angles in a triangle?

Back

180°.

Front

What are adjacent angles?

Back

Angles that share a common side and vertex.

Front

What is a linear pair of angles?

Back

A pair of adjacent angles that are supplementary.

Front

If two angles are complementary, what is their sum?

Back

90°.