Question
A sector of a circle 6cm has an angle of 105° at the circle . calculate it perimeter take 122nd/7
Answers
oobleck
since the arc length is s = rθ, the perimeter will be
2r+rθ = 2*6 + 6(105/180)π
2r+rθ = 2*6 + 6(105/180)π