Question

ICSE MATHEMATICS 1
EXERCISE 17 (1)
A road 3.5 m wide surrounds a circular plot whose
circumference is 44 m. Find the cost of paving the
road at 10 per m
(ICSE)​

Answer 1

first use 2πr formula and equate it to 44 then you will find the r value

now with πr square formula find the area and then like this equate it to 10m and find the cost of paving the road

Hope you got the answer