Complementary, Supplementary, Vertical, Adjacent Angles

Front

What is the vertex of an angle?

Back

The vertex of an angle is the point where the two rays meet.

Front

What type of angle measures less than 90 degrees?

Back

Acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle measures exactly 90 degrees?

Back

Right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Tags

CCSS.4.G.A.1

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are always equal.

Tags

CCSS.7.G.B.5

Front

What are adjacent angles?

Back

Angles that share a common side and a common vertex but do not overlap.

Tags

CCSS.7.G.B.5

Front

If ∠A and ∠B are complementary, and ∠A measures 30 degrees, what is the measure of ∠B?

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

If two angles are supplementary and one angle measures 110 degrees, what is the measure of the other angle?

Back

70 degrees.

Tags

CCSS.7.G.B.5