Finding Arc Length and Area of Sector

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

• 8 units

• 4.2 units

• 8.4 units

• 16.8 units

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

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

• 3.9 m²

• 7.9 m²

• 9.6 m²

• 11.8 m²

The diagram shows a sector of a circle of radius 4 units, formed from an angle of size 135°.

Find the length of the arc rounded to two decimal places.

Mathematical Equivalence

ON

Match the answers to the following problems.

• Problem 2

• Problem 4

• Problem 1

• Problem 3

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.

• 4.8 units

• 2.6 units

• 7.9 units

• 5.2 units

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