Partial Circle Area & Circumference

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π
• C = 2π15
• c = 15 ÷ π
• c = 15 π

Tags

CCSS.7.G.B.4

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GMD.A.1

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Tags

CCSS.HSG.GMD.A.1

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

Tags

CCSS.HSG.GMD.A.1

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5

CCSS.HSG.GMD.A.1

What is the area of the shaded region? Round to the nearest hundredth.

• 50.27
• 3015.93
• 8.38
• 4.19

Tags

CCSS.HSG.C.B.5

CCSS.HSG.GMD.A.1

FIND THE AREA OF THE SECTOR OUTLINED IN BOLD

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

What is the length of a part of the edge of a circle that has a diameter of 15 in, and the central angle that intercepts the part is 125 degrees, round to nearest 100th:

• 23.56

• 47.12

• 16.36

• 8.18

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26
• 452.39
• 113.10
• 40715.04

Tags

CCSS.HSG.C.B.5

CCSS.HSG.GMD.A.1