a cylindrical vessel, open at the top,has a radius of 10 cm and height 14 cm.find the total surface area of the vessel.(take π=3.14)
HannanM:
take tsa of cylinder and then subtract pie r2 (hollow part)
then apply 2 pie r(r+h) - pie r2
2*22/7*10(10+14) - 22/7*10*10
1507 - 314 =>1193.2
Answers
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Total surface area =2×314/100×10(10+14)
=2×314/10×24
=314/5×24
=7536/5
=1057.2sq.cm
1193.2 answer hai budbak
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