Finding Arc Length and Area of a 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

Find the length of the arc and area of the shaded region. Round the answer to two decimal places. ( use π = 3.14 )

Area of a sector =

Find the length of the arc and area of the shaded region. Round the answer to two decimal places. ( use π = 3.14 )

Find the length of the arc and area of the shaded region. Round the answer to two decimal places. ( use π = 3.14 )

Area of a sector =

Find the length of the arc and area of the shaded region. Round the answer to two decimal places. ( use π = 3.14 )

Area of a sector =

Find the length of the arc and area of the shaded region. Round the answer to two decimal places. ( use π = 3.14 )

Length of the arc MN =

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

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