Angles: Complementary/Supplementary/ Vertical/ Adjacent

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 Complementary Angles?

Back

Complementary angles are two angles whose measures add up to 90 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

What are Adjacent Angles?

Back

Adjacent angles are two angles that share a common vertex and a common side but do not overlap.

Tags

CCSS.7.G.B.5

Front

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

Back

∠B = 60° (since 90° - 30° = 60°).

Tags

CCSS.7.G.B.5

Front

If ∠C and ∠D are supplementary and ∠C measures 120°, what is the measure of ∠D?

Back

∠D = 60° (since 180° - 120° = 60°).

Tags

CCSS.7.G.B.5

Front

What is the relationship between two angles that are both 45°?

Back

They are complementary angles because 45° + 45° = 90°.

Tags

CCSS.7.G.B.5

Front

What is the equation for finding the value of x if two angles are supplementary and one angle measures 75°?

Back

Tags

CCSS.7.G.B.5

Front

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

Back

Vertical angles are equal in measure.

Tags

CCSS.7.G.B.5

Front

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

Back

The sum is always 180 degrees.

Tags

CCSS.7.G.B.5