Angles in Geometry

What are complementary angles?

• Complementary angles are two angles that add up to 180 degrees.

• Complementary angles are two angles that add up to 90 degrees.

• Complementary angles are two angles that are equal in measure.

• Complementary angles are two angles that form a straight line.

Tags

CCSS.7.G.B.5

If one angle measures 60 degrees, what is the measure of its complementary angle?

• 120 degrees

• 45 degrees

• 90 degrees

• 30 degrees

Tags

CCSS.7.G.B.5

Define supplementary angles.

• Two angles whose measures add up to 180 degrees.

• Two angles whose measures add up to 45 degrees.

• Two angles whose measures add up to 90 degrees.

• Two angles whose measures add up to 360 degrees.

Tags

CCSS.7.G.B.5

Explain vertical angles.

• Vertical angles are always acute angles.

• Vertical angles are angles that measure 180 degrees.

• Vertical angles are formed by two parallel lines.

• Vertical angles are a pair of non-adjacent angles formed by two intersecting lines. They are equal in measure.

Tags

CCSS.7.G.B.5

If one angle measures 90 degrees, what is the measure of its vertical angle?

• 180 degrees

• 45 degrees

• 120 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

What are the angles around a point called?

• The angles around a point are called '360 degrees.'

• 45 degrees

• 180 degrees

• 90 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What are the angles on a straight line called?

• Opposite angles

• Adjacent angles

• Parallel angles

• The angles on a straight line are called supplementary angles.

Tags

CCSS.7.G.B.5

If one angle on a straight line measures 100 degrees, what is the measure of the other angle on the straight line?

• 50 degrees

• 90 degrees

• 80 degrees

• 120 degrees

Tags

CCSS.7.G.B.5

If one angle measures 40 degrees, what is the measure of its complementary angle?

• 140 degrees

• 50 degrees

• 100 degrees

• 30 degrees

Tags

CCSS.7.G.B.5

If one angle measures 150 degrees, what is the measure of its supplementary angle?

• 30 degrees

• 90 degrees

• 180 degrees

• 75 degrees

Tags

CCSS.7.G.B.5