Question

10. The internal circumference of a circular track is 88 m. If the track is 1.4m wide, find the circumference of the outer edge, hence find the cost of fencing the outer circumference at the rate Rs 10 per metre.

Answer 1

Step-by-step explanation:

New radius=1. 4÷2=0. 7

Circumference=2pier

Circumference=2×22÷7×0.7

Circumference=4. 4m

Cost for painting=10×4. 4

=₹44

I hope its helpful.......