50 circular plates each of diameter 14 cm and thickness of 0.5 cm are placed one above the other to form a solid cylinder. Find its T.S.A
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oh....sorry ..
TSA = 2πrh +2πr^2
=> 1100+308
= > 1408 cm^2
TSA = 2πrh +2πr^2
=> 1100+308
= > 1408 cm^2
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Answer:
Step-by-step explanation:
Height of one plate is =0.5cm
Height of 50 plate which is placed one above another forming cylinder=50 x 0.5=25cm
TSA of cylinder =2 ^r(h+r)
=2x22/7x7(25+7)
=2x22x32
=1408cm^2
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