26.
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A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:
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12 cm3
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15 cm3
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16 cm3
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20 cm3
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Answer: Option A
Clearly, we have r = 3 cm and h = 4 cm.
Volume =
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1
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r2h =
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1
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x x 32 x 4
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cm3
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= 12 cm3.
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3
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3
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Title :
Volume 26Q
Description : 26. A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is: ...
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