Finding missing angles

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Tags

CCSS.7.G.B.5

Front

What are complementary angles?

Back

Angles that add up to 90°.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Tags

CCSS.7.G.B.5

Front

What is an angle bisector?

Back

A line that divides an angle into two equal parts.

Tags

CCSS.HSG.CO.C.9

Front

If angle A is 70°, what is the measure of its supplementary angle?

Back

110°.

Tags

CCSS.7.G.B.5

Front

If angle B is 30°, what is the measure of its complementary angle?

Back

60°.

Tags

CCSS.7.G.B.5

Front

Solve for angle 5 if angle 4 is 45° and they are supplementary.

Back

135°.

Tags

CCSS.7.G.B.5

Front

Solve for angle 2 if angle 1 is 45° and they are complementary.

Back

45°.

Tags

CCSS.7.G.B.5

Front

If two angles are supplementary and one angle is 3x and the other is 2x, what is the value of x?

Back

30°.

Tags

CCSS.7.G.B.5

Front

If angle C is 90° and angle D is 45°, are they complementary or supplementary?

Back

Complementary.

Tags

CCSS.7.G.B.5