Question

Find the cost of fencing a well of radius 1.54 m at the ratevof rs 75 per metre

Answer 1

For fencing we always need to calculate perimeter, because we fence around perimeter,
But here , in case of circle we will need to find the circumference first .

Circumference of circle = 2 pi r

2 x 22/7 x 1.54
= 9.67 m

Cost of fencing well = 9.67 x 75

= 725.25

Rs 725.25 must be the answer

Answer 2

Answer:

726. is. your. answer.