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A cubical block of side 7cm …

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A cubical block of side 7cm is surmounted by a hemisphere. What is the greatest diameter the hemisphere can have ? Find the surface area of the solid?

Posted by Lalchand Bhati 6 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Rajan Kumar Pasi 6 years, 7 months ago

This is Q.4 of Exercise 13.1, you have to understand the language of the question and solve it properly.
Its answer is 7cm for the greatest diameter and the Total Surface Area of the solid will be 332.5 cm².

The base area of the hemisphere is subtracted because it is hidden and is not visible from outside so we cant cover it.

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CBSE > Class 10 > Mathematics