Question

A circular ground of radius 50 meter is sorrounded by a 5 meter wide road. You
want to cover the road with tile. Find the total cost of tiling if the rate of tiling per
square meter is 30 rupees.​

Answer 1

Step-by-step explanation:

R1 = 50m

R2 = 50+5=55m

areof road = area of lerga circle - are of small circle

22/7×55^2 - 22/7×50^2

22/7(55^2-50^2)

22/7(525)

1650sqm

rate of tiling=30 rs.sqm

total cost of tiling = 30×1650

49500 Rs.