Question

If the radius of the circle is 14 meters,find the length of arc RS

a)28.34m
b)64.32m
c)37.7m
d)9m
e)18m

Answer 1

a) 28.34 m

Explanation:

Finding ∠RQS :

• 180° - 64°
• 116°

Length of arc RS :

• 2πr × θ/360
• 2 x 22/7 x 14 x 116/360
• 44 x 2 x 29/90
• 88 x 29/90
• 2552/90
• 28.34 m