Question

find the cost of fencing a circular garden of radius 7m and 20rs. per meter​

Answer 1

Answer:

Rs.720

Step-by-step explanation:

Perimeter of a semicircle = πr + 2r

$= \frac{22}{7} × 7 +2 × 7 = 22+14 = 36m$

∴ Cost of fencing = 36 × 20 = Rs.720