SOLUTION: A road 3.5m wide surrounds a circular plot whose circumference is 44 m.find the cost of paving the road at rs 50 per m sq
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Question 607454: A road 3.5m wide surrounds a circular plot whose circumference is 44 m.find the cost of paving the road at rs 50 per m sq
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A road 3.5m wide surrounds a circular plot whose circumference is 44 m.
find the cost of paving the road at rs 50 per m sq
:
Find the radius of the plot
= 44
:
r =
r = 7.0 meters
:
Find the area of the plot
A =
A = 154 sq/m
:
Radius of the whole thing: 7 + 3.5 = 10.5 meters
Find the Area of the whole thing
A =
A = 346.36 sq/m
:
Find the area of the road only
346.36 - 154 = 192.36 sq/m
:
Find the cost of the road
192.36 * 50 = 9,618. 03 Rs
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