Mensuration Practice Test 5

Question : 22 of 40

Marks: +1, -0

A rectangular plot measuring 90 m by 50 m is to be enclosed by a wire fencing. If the poles of the fence are kept 5 m apart, how many poles will be needed?

Validate

Solution:

Perimeter of the rectangular plot = 2 (l + b)
= 2 (90 + 50)
= 2 (140)
= 280 m.
Number of poles =

{280}/5

= 56 poles

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