Question

3. 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 meter?​

Answer 1

Radius of the garden= 56m

Circumference of the garden = 2×22/7×56= 352m

Cost of fencing for 1m=Rs.40

Cost of fencing for one round= 352×40= Rs.14,080

Cost of fencing for four rounds= 14080×4= Rs.56,320

So the final answer is 56,320 Rs.

Hope it helps...!!!

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Answer 2

Answer:

The Total cost of fencing is 56,268.8 Rs.

Step-by-step explanation:

The radius = 56m

The Perimeter of the garden =2πr=2π×56

Perimeter =112πm

∴for four rounds =112π×4  =448πm.

Cost of fencing =40 Rs/m

The Total cost of fencing =40×448π

=17920πRs.

=56,267.8 Rs.

The Total cost of fencing is 56,268.8 Rs.