Question

in the given figure a rectangle tin foil of size 22 CM by 16 cm is wrapped around to form a cylinder of height 16 cm find the volume of the cylinder

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Answer 1

height=16cm

circumference of base=22cm

implies that radius of base=22×7/22×1/2

=3.5cm

Volume of cylinder=pi× r²×h

=22/7×3.5×3.5×16

Volume=616cm³

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Answer 2

Answer:

V = 616 cm³

Step-by-step explanation:

Since the cylinder in wrapped around through the length, the circumference of the down circle will be equal to 22cm

2πr = 22cm

2×22r/7 = 22cm

r = 7/2 cm

Height of cylinder = 16 cm, Hence vol of cylinder is given by,

V = πr²h

V = 22×(7/2)²16/7

V = 22×7×16/4

V = 616 cm³

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