A rectangular paper of size 22cm *14cm is rolled to form a cylinder of height 14cm .Find the volume of the cylinder.
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A rectangular paper of size 22cm *14cm is rolled to form a cylinder of height 14cm .Find the volume of the cylinder.
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Given,
h = 14 cm
2πr = 22 cm
=> 2 × 22/7 × r = 22
=> 44/7 × r = 22
=> r = 22 × 7/44
=> r = 7/2
.°. r = 7/2 cm
Volume
= πr²h
= 22/7 × 7/2 × 14
= 154 cm³
Answer:
2148 cube cm
radius =14/2 = 7cm
height = 14cm
Volume of cylinder is pie × radius square × height
22/7 × 7 × 7 ×14=2148