a pillar consist of a cylindrical 4 m high surmounted by a cone of height 40cm and both of diameter 60cm. find the cost of painting the pillar at Rs 10 per m2 (take pi=3.14)
Answers
Answered by
6
Step-by-step explanation:
the formula of lateral surface area of cylinder is 2 Pi R H we are taking lateral surface area because the top and bottom circles fish we are living as they are in the ceiling and the floor so according to the formula the values are two equal to 3.14 and diameter is 60 CM so radius is equal to 30 cm X height height is 4 m then lateral surface area equal to 75 3.6 in metre2
Answered by
2
Answer:
this is the answer
Step-by-step explanation:
Attachments:
Similar questions