Math, asked by saloni1257, 10 months ago

the diameter of a circular path is 56 m a 2 m Wide Road runs outside around it find the cost of cementing the road at rupees 10 per square M take Pi is equal to 3.14​

Answers

Answered by GragoryRai
1

inner side of circle

radii=56/2=28

area= πr^2=22/7×28×28

=2464m^2

circular path along with road

radii=28+2=30(since width of road is 2m.)

area =22/7×30×30=2828.6m^2

total area of road=

2828.6-2464=364.57m^2

total coast for cementing road

364.6×10= repees36456

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