Question

if C.S.A of cylinder is 704 cm2 and radius is 14. then find the height of a cylinder

Answer 1

C. S. A of cylinder = 704
704 =2πrh
704=2x22/7x14xh
704/88=h
h=8cm

Answer 2

Answer ⤵️

Let its height be x cm

C.S.A= 2πrh

$704 = 2 \times \frac{22}{7} \times 14 \times x \\ 704 = 2 \times 22 \times 2 \times x \\ 704 = 88 \times x \\ x = \frac{704}{88} \\ x = 8$

So its height is 8 cm

Step-by-step explanation:

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