Question

e) A path 7 m wide is constructed outside a circular garden of radius 42 m. Find the cost of
cementing the path at the rate of 30 per m².​

Answer 1

Answer:

60060ruppes

Step-by-step explanation:

area of inner circle= (22/7)*42*42

=5544m^2

area of outer circle=(22/7)*49*49

=7546m^2

area of path=(7546-5544)m^2

=2002m^2

cost of cementing the path= 2002*30

=60060rupees