Chapter 16: Angles

Which equation shows how to find the angle measure of the part of the circle without the arrow?

• 360° - 90° =

• 360° - 270° =

• 180° - 90° =

• 360° - 180° =

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

An arrow shows how a ray moved through a circle. Which statement best describes the turn?

• 1/2 turn counterclockwise

• 1/4 turn clockwise

• 3/4 turn counterclockwise

• 1/2 turn clockwise

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the measure of the unknown angle in the figure?

• 30°

• 120°

• 180°

• 150°

Tags

CCSS.7.G.B.5

Which equation shows the sum of the measures of two straight angles?

• 45° + 45° = 90°

• 90° + 90° = 180°

• 180° + 180° = 360°

• 100° + 100° = 200°

Tags

CCSS.4.MD.C.7

If an angle measures 75°, through what fraction of a circle does the angle turn?

• 1/75

• 75/360

• 180/360

• 90/360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Look at the figure. In degrees, what is the angle measure?

• 40°

• 250°

• 36°

• 4°

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Which is an obtuse angle?

• ∠JHG

• ∠KHI

• ∠GHI

• ∠JHK

Tags

CCSS.4.G.A.1

Which equation can you use to find the m∠ OMP?

• 80° + 40° =

• 180° - (80° + 40°) =

• 180° - 40° =

• 180° - 80° =

Tags

CCSS.7.G.B.5

Which equation shows how to find the angle measure of the part of the circle without the arrow?

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What name is given to an angle that measures 90°?

• straight angle

• acute angle

• obtuse angle

• right angle

Tags

CCSS.4.G.A.1