Question

The inner circumference of a circular track is 176 m . the track is 7 M wide. calculate the:

a) area of the track.

b) cost of putting up a fence along the outer circle at the rate of ₹12 per metre

$(use \: \pi = \frac{22}{7}$
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Answer 1

Answer:

Radius of inner circle= 176/2*7/22-28m Radius of outer circle = 35m

Area of path= (22/7*35*35) - (22/7*28*28)

= 1386m^2

Total Cost = 2x22/7x35x12

= 2640 rupees

Step-by-step explanation:

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Answer 2

Answer:

2640 ruppees

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