a 7 metre wide path is to be constructed all around the circle garden of diameter 112 find the cost of constructing the path at rupees 75 persent square metre. answer batao follow karungi.
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196350 rps
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COST of the PATH built = ₹196171.5.
●For Finding cost of the path built through sides of garden of DIAMETER 112m, AREA of the PATH is required.
●DIAMETER = RADIUS × 2
●RADIUS of the circle shared garden
= 112/2 =56m
●Refer the figure given below,
●Area of circle = AREA of GARDEN
= π r^2
= 3.14× (56)^2 = 9847.04msq
●AREA of the NEW GARDEN' (Including Path)
=3.14 × (56+7)^2
(when path is included, radius of the circle get added by 7, the width of the path ; Refer figure given below)
=12462.66msq
●AREA of PATH = AREA of NEW GARDEN' - AREA of GARDEN
=12462.66msq - 9847.04msq
=2615.62msq.
●COST of the PATH = 2615.62 ×75
=₹196171.5.
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