Arc Length and Sector Area

Rob is trying to open a can. He wants to find the arc length the can opener needs to travel to open the can half way. The radius of the can is 1.5 inches.

• 10 inches
• 2 feet
• 4.71 inches
• 3.53 inches

Stephanie was jogging around circular track. One part of the track was darker than the rest. She found the angle to be 270 degrees. She found the diameter was thirty feet. What is the arc length around the darker part of the track she jogged on? (rounded to the nearest whole number)

• 71 feet
• 59 feet
• 84 feet
• 63 feet

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

Find the area of the sector. Round your answer to the nearest tenth.

• 5.2 units²

• 10.5 units²

• 31.4 units²

• 38.2 units²

Find the area of the sector. Round your answer to the nearest tenth.

• 52.4 in²

• 5.2 in²

• 60.8 in²

• 10.47 in²

Is the formula for

• arc length

• area of a sector

• area of a segment

• arc measure

Find the arc length of the sector. Round your answer to the nearest tenth.

• 52.4 in

• 10.5 in

• 5.2 in

• 9.8 in

Find the arc length of the sector. Round your answer to the nearest tenth.

• 8.7 m

• 7.9 m

• 3.9 m

• 11.8 m

Find the area of the sector. Round your answer to the nearest tenth.

• 3.1 yd²

• 28.3 yd²

• 6.3 yd²

• 32.4 yd²