Question

A circular garden with radius 42 m is surrounded from outside by a path of 3.5 m wide. Find the cost to pave the stones on the path at the rate of Rs. 20 per m2.

lol nah! ye tho nahi bta sakti
unhe bhi nahi btaya abhi tak ​

Answer 1

Answer:

Answer:

Internal radius = 21 m, External Radius

= 21 + 3.5 = 24.5 m

Area of path = π (24.5)2 - π (21)2

= π [(24.5)2 - (21)2]

= 500.5

Cost of travelling = 500.5 × 4 = 2002

Answer 2

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