Question

The inner circumference of a circular track is 264m and the width of the the track is 7 metre calculate the the cost of putting up fence along the outer circle of the track at the rate of Rupee 3.50 per meter also find the area of the track

Answer 1

Answer:₹1078

And area. -2002m2

Explanation:

2πr=264 then find radius from it.

After finding radius .

Radius of outer circle= width+r

Then perimeter of outer circle =2πR

and cost=rate ×perimeter