Question

the total surface area of a solid cylinder is 9372 cm square. If its radius is 21 cm. Find its height and volume.​

Answer 1

Answer:

height is 62622 and volume is 66

Answer 2

Step-by-step explanation:

2πr²+2πrh=9372

2πr(r+h)=9372

2×22/7×21(21+h)=9372

132(21+h)=9372

21+h=9372/132

21+h=71

h=71-21=50cm

volume of cylinder=πr²h=22/7×21×21×50

=22×3×21×50=69300cm³.

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