Question

How long is the arc intersected by a central angle of 5pie/3 radians in a circle with a radius of 2ft rounded to the nearest tenth

A 2.6ft
B 7.0 ft
C 10.5 ft
D31.4 ft

Answer 1

Radius of a circle: r = 2 ft
Central angle: α = 5 π /3 = 300°
Arc Length = 2 · 2 · π · 300/360 = 2 · 2 · 3.14 · 5/6 = 10.4666 ft ≈ 10.5 ft
Answer:
C ) 10.5 ft