Question

The diameter of a circlular garden is 42 m. To prevent stray animals from damaging the garden, the gardener want to put four rounds of fencing wire. Find. 1. The length of fencing wire required . 2. The cost of Wire @ 12 rupee per metre

Answer 1

Answer:

1.) 131.95 m

2.) 1583.4/- Rs

Answer 2

MARK AS BRAINLEIST

Step-by-step explanation:

Radius of Garden is 21 cm (radius is half of diameter )

1. Lenght of wire reqiured is
2. $2\pi r$

is circumference

2 × 22/7 × 21

132 m is lenght of wire required.

2. cost of wire = 12 × 132 = Rs.1584

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