Math, asked by Sanjayuma, 1 year ago

Find the total surface area of a hollow hemisphere whoseouter and inner radii are 4.2cm and 2.1cm respectively

Answers

Answered by abhishek1725

1

$27.7cm {3}^{?}$

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Sanjayuma: Can up plz show the derivation

abhishek1725: yup

Sanjayuma: thank you

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