find the area of a circle which subtend an angle 120° at the centre also find the length of arc radius6cm
Answers
Answered by
1
Step-by-step explanation:
Radius 'r' = 6 cm
theta = 120°
1. Area of the circle = π r ²
= 3.14× 6²
= 3.14× 36
Answer = 113.04 cm² (approx)
2. length of the arc = theta / 360 × 2 π r
= 120/360 × 2 × 3.14 × 6
= 1/3 × 37.68
Answer = 12.56 (approx)
hope it helps you
Similar questions