. Find the cost of fencing a circular garden of radius 25 metres at the rate of 3 per metre. (Take it - 3.14)
. A piece of wire is in the form of a rectangle whose length and breadth are 35 cm and 31 cm respectively,
It is rebent in the form of a circle. Find the radius of the circle.
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Step-by-step explanation:
1. The perimeter of the circle = 2Πr
= 2 × 3.14 × 25
= 157 m^2
The cost of fencing = 157 × 3
= Rs. 471
2. Perimeter of rectangle = 31 × 35
= 1085 cm
Perimeter of rectangle = Pe
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