Question

please send me answer​

Answer 1

Answer:

D = 21 m

R = D/2 = 21/2 m = 10.5 m

C = 2 x pie x r

C = 2 x 22/7 x  105/10

C = 2 x 22 x 15/10

C = 44 X 15/10 = 22 x 15/5 = 22 x 3 = 66 m

C of 2 rounds = 66 + 66 = 132 m

1 m = 4

132 m = 528 ruppees