Question

A circular flower bed has a diameter of 100 cm. A
metal boundary costing Rupee 2 per metre placed around
it. Find:
(a) length of metal boundary that will be required
to fence the flower bed twice.
(b) cost of metal boundary required to fence it twice (Use π=3.14).​

Answer 1

Step-by-step explanation:

circumferenceof a circle= 2πr

= 2×3.14cm×50cm

= 314cm

therefore the length of the metal required = 314cm

and the cost to fence twice = ₹2×2× 314= ₹1256.

Answer 2

Answer:

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