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A hemispherical bowl of internal and external diameters $6 cm$ and $10 cm$ is melted and formed into a right circular cylinder of radius $14 cm$ . What is the height of the cylinder?

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0.33 cm

0.45 cm

0.50 cm

0.70 cm

answer is A.

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Detailed Solution

Given-
External diameter = 10cm
Internal diameter = 6cm

R = 102 R = 5 c m r = 62 r = 3 c m

Radius of cylinder (r’)=14cm
Question Image

Thus, the height of cylinder is

0.33 cm

.
Hence, option 1 is the correct option.

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