Finding Arc Length and Area of Sectors

What is the length of the green arc?

• 1.6 mi

• 6.3 mi

• 3.1 mi

• 12.6 mi

What is the length of the blue arc?

• 42.4 in

• 1.2 in

• 95.4 in

• 21.2 in

What is the area of the blue shaded sector?

• 18.9 cm²

• 56.5 cm²

• 113.1 cm²

• 14.1 cm²

What is the area of the yellow shaded sector?

• 23.6 m²

• 11.8 m²

• 62.8 m²

• 117.8 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 =

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

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

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

• 5688π ft

• 15.8π ft

• 150.4π ft

• 54,150 ft