The total surface area of a cylinder is is 2728 cm². Find the volume of the cylinder if the radius of its base is 7 cm.
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Answered by
1
Answer:
1,193.5 will be ans because h = 7.75
Answered by
2
Answer:
8470 cm³
Step-by-step explanation:
Total surface area of the solid cylinder =(2πr²+2πrh)
=2πr(r+h)=2 x22/7 x7(7+h) =2728
So(7+h)= 2728÷{2x22}
(7+h) =62
So h= (62–7)= 55 cm
So volume of the cylinder = πr²h =22/7 x 7²x 55
= 8470 cm³
8470 cm³
Step-by-step explanation:
Total surface area of the solid cylinder =(2πr²+2πrh)
=2πr(r+h)=2 x22/7 x7(7+h) =2728
So(7+h)= 2728÷{2x22}
(7+h) =62
So h= (62–7)= 55 cm
So volume of the cylinder = πr²h =22/7 x 7²x 55
= 8470 cm³
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