Complementary, Supplementary, and Vertical Angles

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Tags

CCSS.7.G.B.5

Front

If ∠A and ∠B are supplementary and ∠A = 120°, what is ∠B?

Back

∠B = 60°.

Tags

CCSS.7.G.B.5

Front

If ∠H and ∠J are complementary and ∠H = 35°, what is ∠J?

Back

∠J = 55°.

Tags

CCSS.7.G.B.5

Front

What is the sum of the measures of two complementary angles?

Back

The sum is 90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the sum of the measures of two supplementary angles?

Back

The sum is 180 degrees.

Tags

CCSS.7.G.B.5

Front

If two angles are vertical, what can we say about their measures?

Back

Their measures are equal.

Tags

CCSS.7.G.B.5

Front

Find the measure of ∠NOQ if it is complementary to ∠PQR which measures 59°.

Back

∠NOQ = 31°.

Tags

CCSS.7.G.B.5

Front

Find the value of x if ∠1 and ∠2 are supplementary and ∠1 = x + 10° and ∠2 = 70°. What is x?

Back

x = 10°.

Tags

CCSS.7.G.B.5