Question

what will be the perimeter of a quadrant of a circle of radius r CM​

Answer 1

Answer:

theta/360x2πr

Step-by-step explanation:

where theta is the angle given

2πr is the perimeter of circle

as we want only the perimeter of sector of circle theta is divided by 360°

Answer 2

perimeter of quadrant=theta/360×2×22/7×r+2×r