Question

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

Answer 1

Answer:

Perimeter of the square field = 2πr

= 2×22/7 × 56

= 352

Fencing area = 4× Perimeter

= 4×352

= 1408

Cost of fencing 1m² = Rs. 40

Cost of fencing 1408 m² = 40×1408

= Rs. 56320

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Answer 2

QUESTION ➠

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

ANSWER ➠

Given radius of circular garden = 56m

Perimeter of garden = 2 π r = 2 π ×56

Perimeter = 112 π m

Now for four rounds = 112 π × 4

4 perimeter = 448 π m .

Cost of fencing = 40 Rs. / m

Total cost of fencing =40 × 448 π = 17920 π Rs.

Total cost = 56,267.8 Rs.

So , Total cost of fencing is 56,268.8 Rs.