two cylindrical cans have bases of the same size. the diameter of each is 14 cm. one of the cans is 10 centimetre high and the other is 20 cm find the ratio of their volumes
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Radius of two cans = 7 cm.
Height of the first can = 10 cm
Height of the second can = 20 cm
V1, Volume of first cylinder = pie r^2 h
= 22/7 *7 *7*10 =1540 cm^3
V2, Volume of 2nd cylinder = pie r^2 h
=22/7 * 7 *7*20 = 3080 cm^3
Ratio of their volumes = V1/V2 = 1540 / 3080
= 1/ 2.
Height of the first can = 10 cm
Height of the second can = 20 cm
V1, Volume of first cylinder = pie r^2 h
= 22/7 *7 *7*10 =1540 cm^3
V2, Volume of 2nd cylinder = pie r^2 h
=22/7 * 7 *7*20 = 3080 cm^3
Ratio of their volumes = V1/V2 = 1540 / 3080
= 1/ 2.
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