Find the height of the solid circular cylinder of total surface area 660 cm² and radius 5 cm ?
Answers
Answered by
2
Answer:
surface area = 2*3.14*height *radius
660=2*3.14*5*height
height = 21 cm
Step-by-step explanation:
Answered by
15
Answer:
Step-by-step explanation:
TSA of cylinder=2πr(r+h)
660= 2π5(5+h)
10π(5+h)= 660
π(5+h) = 66
22/7(5+h)=66
5+h = 66×7/22
5+h=21
h=16
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