find the cost of painting 20 cylinder kal pillars of an institution at rupees 3 per metre square if the radius and the height of each pillar are 36 cm and 35 respectively
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Answer:
180480 rupees
Step-by-step explanation:
total cylindrical pillar =20
r=36m
h=36m
surface area of 1 cylinder =
2*22/7*rh
=2*22/7*36*35
=3008
there are 20 pillar =3008*20
=60160
cost of painting=60160*3
=180480 rupees
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