Math, asked by himani2121, 1 year ago

A building has 12 cylindrical pillars. Each having radius 50 cm and height 3.5 m. Find the cost to paint the curved surface area of the pillars at ₹20 per sq m.
please answer it fast

Answers

Answered by afsanafatima5
3
CSA of 12 pillars=12×2Πrh
12×2×22/7×0.5×3.5m
=132m²
Cost=20×132
Rs.2640

himani2121: but it doesn't matches with the answer
afsanafatima5: what is the answer
himani2121: the answer is ₹2640
afsanafatima5: Now see
himani2121: ok
afsanafatima5: I done one mistake thats why
himani2121: ok no problem
afsanafatima5: Hmm
himani2121: now its correct. thank you so much for helping me
afsanafatima5: No need
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