A rectangular metal sheet of length 44 cm and breadth 11 cm is folded along its length to form a cylinder. Find its volume
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2
Answer:
The volume of the cylinder is 2772 cm^3.
Step-by-step explanation:
Let the radius be = r
we know that the length of the sheet = circumference of the circle
Height of the cylinder = 18 cm
44 = 2r
2 x 22/7 r = 44
r = (44 x 7) / (22 x 2)
r = 7 cm
Volume of cylinder = r^2 .h
=22/7 * 7*7 * 18
= 2772 cm^3
The volume of the cylinder is 2772 cm^3.
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Answer:
If the sheet is rolled along its length then the circumference will be equal to the length of the rectangle .
- 2πr=44
- r=44/22
2×
- r=7 cm
Also, height of the cylinder will be equal to the breadth of the rectangle.
∴h=18 cm
∴ volume of the cylinder =πr2h
=722×72×18
=2772 cm3
Step-by-step explanation:
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