Question

a closed cylindrical storage bin has a diameter of 7 m and a height of 8 m. what is the capacity of the bin? if it has to be painted on it's curved surface at the rate of rs. 8 per m², what would be the total cost incurred? solve it immediately, please

Answer 1

radius= 7÷2=3.5m
height=8m
volume or capacity= πr×r h
3.14×3.5×3.5×8
308m^3
CSA=2πrh
2×22÷7×3.5×8
176 m^2
cost = 176 × 8
1498 ra
please mark as brainlist answer

Answer 2

Capacity/volume = 308 cubic cm

Cost=Rs 1408