Question

A gardener wants to fence a circular garden of diameter im Find the length of the
mpe he needs to purchase, if he makes 2 rounds of fence. Also find the com
22
o
ing the​

Answer 1

Answer:

please see the explanation

Explanation:

Diameter of the circular garden=21m

∴ Radius of the circular garden=

2

21

m

Now, circumference of circular garden=2πr=2×

7

22

×

2

21

=22×3=66m

The gardener makes 2 rounds of fence so the total length of the rope of fencing =2×2πr=2×66=132m

Since the cost of 1 meter rope=Rs. 4

Therefore, cost of 132 meter rope=4× 132=Rs. 528.

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