Complementary, Supplementary, Vertical, and Adjacent Angles

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

Two angles that share a common side and a common vertex.

Tags

CCSS.7.G.B.5

Front

If angle a is 30 degrees, what is the measure of its complementary angle?

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

If angle b is 120 degrees, what is the measure of its supplementary angle?

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

Identify the relationship between angle a (45 degrees) and angle b (45 degrees).

Back

Complementary, because they add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

Identify the relationship between angle c (70 degrees) and angle d (110 degrees).

Back

Supplementary, because they add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

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

Back

They are equal.

Tags

CCSS.7.G.B.5

Front

If angle e is 90 degrees, what type of angle is it?

Back

Right angle.

Tags

CCSS.4.G.A.1