Question

find the cost of painting for cylinder pillar of a school building at 25 per square metre if the diameter and height of each pillars are 7 and 12 respectively find the cost of find the cost of painting for cylinder pillars of​

Answer 1

diameter=7

radius=7/2=3.5

height=12

L.S.A=2πrh

2×22/7×3.5×12

22×12

264

cost of painting for cylinder pillar=264×25=6600