Question

Calculate the arc length of the

sector.
147°
7 mm
Give your answer correct to 1
decimal place.

Answer 1

The arc length of the sector is 25.8 mm.

Answer 2

Arc length = (147/360) x (2π x 7)

Arc length = (0.40833) x (2 x 3.14159 x 7)

Arc length = 0.40833 x 43.9823

Arc length = 17.9955