Find the cost of fencing a circular garden of radius 25 metres at the rate of rs 3 per meter *
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Find the cost of fencing a circular garden of radius 25 metres at the rate of rs 3 per meter *
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Given :-
Radius of the garden = 25 m
Cost per square meter = Rs. 3
To Find :-
The cost of fencing a circular garden.
Analysis :-
Firstly, find the circumference of the circular garden by substituting the values given in the question in it's respective formula.
Once you get the circumference, multiply it to the cost per square meter.
Solution :-
We know that,
By the formula,
Given that,
Radius (r) = 25 m
Substituting their values,
c = 2 × 3.14 × 25
c = 157 m
Therefore, the circumference of the garden is 157 m.
According to the question,
Cost of the fencing = Circumference of the circle × Cost per meter
By substituting,
= 157 × 3
= Rs. 471
Therefore, the cost of the fencing is Rs. 471.