Review for quiz 4

Find the length of the arc in the diagram. ROUND your final answer to 2 decimal places.

Arc length = ______cm

A circle has a diameter of 15 in.

Find the circumference of the circle. Write your answer in terms of pi (For example: 10pi, 20pi, etc.)

Circumference = ______ inches

Find the circumference of the circle whose radius is 4 in

• 12.56 in

• 25.12 in

• 50.24 in

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

• 1.26
• 452.39
• 113.10
• 40715.04

Find the length of the bold arc.

• 61.3ft
• 20.4ft
• 7351.3ft
• 22,068ft

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.27 cm

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40
• 35
• 55
• 69

What is the area of the shaded sector? Round your answer to the nearest hundredth.

• 19.28

• 163.85

• 655.39

• None of these