Arcs and Central Angles of a Circle

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.

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.

What is the measure of arc AD?

• 38

• 142

• 180

• 153

Tags

CCSS.HSG.C.B.5

What is the measure of arc AB?

• 140

• 142

• 180

• 153

Tags

CCSS.HSG.C.B.5

Determine the radius of a circle with a central angle of 30 degrees subtended by an arc with a length of 61

• 2.0

• 29.5

• 91.0

• 116.5

Tags

CCSS.HSG.C.B.5

Solve for x. 

• 5

• 20

• 40

• 85

Tags

CCSS.7.G.B.5

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

• 150°

• 100°

• 210°

• 105°

Tags

CCSS.HSG.C.B.5

Given AB and MN are diameters of circle E. Find the measure of arc AC.

Tags

CCSS.HSG.C.A.2

• x = 160
• x = 40
• x = 80
• x = 360

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