Question

The radius of a circular garden is 56 m. What would it cost to put a 4-round fence
around this garden at a rate of 40 rupees per metre?​

Answer 1

Answer:

THE RADIUS OF CIRCULAR GARDEN=56M. WE WANT 4 CIRCULAR FENCE=56×4=224M. THE COST PER METER=₹40

Answer 2

Given radius of circular garden =56m

Perimeter of garden =2πr=2π×56

Perimeter =112πm

Now for four rounds =112π×4

4 perimeter =448πm.

Cost of fencing =40 Rs./m

Total cost of fencing =40×448π

=17920πRs.

Total cost =56,267.8 Rs.

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Total cost of fencing is 56,268.8 Rs