Question

The radius of a circular park is 40 m. All
round outside of the park there is a path 10
m wide. What will be the cost of paving the
path at 10.50 per square metre?​

Answer 1

Answer:

Rs. 29673

Step-by-step explanation:

Area of park= pie x R² = 3.14 x 1600

Area of Park+pavement = pie x r²= 3.14 x (40+10)²= 3.14x2500

Area of path = 3.14 x 2500 - 3.14 x 1600 = 3.14 x 900

Cost of Paving = 3.14 x 900 x 10.50 = 29673