Unit 9 Test Review: Circles

Select all of the following that are true about circles

• The distance between any point on the circle and the center is equal to the radius

• A circle is all the points that are the same distance from a center

• The center of a circle is a point on the circle

• The diameter of a circle is twice the radius

• The distance between any two points on the circle is the diameter

Angle APB is 80 degrees. How many degrees is angle ADB?

• 160

• 80

• 40

• 100

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

• 150°
• 100°
• 210°
• 105°

Tags

CCSS.HSG.C.B.5

CCSS.HSG.C.A.2

What is the measure of angle UTV?

• 55

• 125

• 75

• 105

Tags

CCSS.HSG.C.B.5

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

Find angle WXY

• 59°

• 78°

• 43°

• 242°

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

What is the measure of arc AD?

• 76

• 52

• 19

• 38

Tags

CCSS.HSG.C.B.5

CCSS.HSG.C.A.2

CCSS.HSF.TF.A.1

Find the measure of arc AB.

• 17 degrees

• 34 degrees

• 68 degrees

• 146 degrees

Tags

CCSS.HSG.C.B.5

CCSS.HSG.C.A.2

CCSS.HSF.TF.A.1

The segment BD is a diameter.

Find the measure of angle C.

• 90

• 180

• 117

• 115

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

The segment AB is a diameter of a circle and is 12 meters long.

If segment CD is a diameter of the same circle, how long is segment CD?

• 6

• 7

• 12

• 15

Circle P has a radius of 10 meters has a sector APB. Central angle APB has a measure of 36 degrees.

What is the area of sector APB?

• 20π square meters

• 100π square meters

• 36π square meters

• 10π square meters