Central Angles Arc Measures and Inscribed Angles

If the measure of arc ABC = 210°, what is the measure of arc AC?

• 150°

• 100°

• 210°

• 105°

Tags

CCSS.HSG.C.B.5

What is m∠ACB?

• 67.5°

• 90°

• 22.5°

• 45°

Tags

CCSS.HSG.C.A.2

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees. 

• It measures less than 180 degrees.

Tags

CCSS.HSG.C.B.5

Which is true of a major arc?

• Forms half a circle.

• Forms a whole circle.

• Measures greater than 180 degrees.

• Measures less than 180 degrees.

Solve for x. 

• 5

• 20

• 40

• 85

Tags

CCSS.HSG.C.A.2

What is the relationship between a central angle and its arc?

• The angle is half of the arc.

• The arc is half of the angle.

• The arc is smaller than the angle.

• They are congruent.

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Tags

CCSS.HSG.C.B.5

Find arc length

• 114π/5 ft

• 2850 ft

• 95π/6 ft

• 150π/19 ft

Tags

CCSS.HSG.C.B.5

Angle B measures

• 63^o

  
  ^

• 27^o

• 126^o

• 117^o

Tags

CCSS.HSG.C.A.2