Question

5. A gardener wants to fence a circular garden of diameter 21 m. Find the length of
the
rope he needs to purchase, if he makes 2 rounds of fence. Also find the cost of
the rope, if it costs 4 per metre.
in the of
an
​

Answer 1

Answer:

The rope he requires is 21x2= 42 and the cost will be 42x4 = ₹168

Hope it helps you

Answer 2

Answer:

Diameter of the circular garden = 21 m

∴ Radius = 21 / 2 m

∴ Circumference = 2πr = 2×22 / 7×21 / 2

= 66 m

Length of rope needed for 2 rounds

= 2 × 66 m = 132 m

Cost of the rope = ₹4 × 132 = ₹ 528

Step-by-step explanation:

pls mark mine as the brainliest