Question

A bus stop is barricaded from the remaining part of the road, by using 50 hollowcones made of recycled cardboard. Each cone has a base diameter of 40 cm and height1 m. If the outer side of each of the cones is to be painted and the cost of pain

Answer 1

1)`CSA=pirl`
=`3.14*20*10^(-2)*sqrt(1^2+(0.2)^2)`
=`0.64056m^2`
TSA=50*0.64056
=32.28`m^2`
`1m^2=12Rs`
`32.28m^2=38.736.