gardener wants to fence a circular garden of diameter 21m. Find the length of the
wire he needs to purchase and cost of it at the rate of Rs.4 per metre.
Answers
Answered by
2
Answer:
perimeter of circle=2π r
2× 22|7 × r
44|7 × 10.5
44× 1.5 = 66.0
per metre = 66× 4 = ₹ 264
Answered by
3
Answer:
length of wire required=2×circumference of garden
diameter=21m
radius=diameter/2
=21÷2=10.5m
=4×10.5
=₹42
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