Mathematics · Mensuration

If the radius of a hemisphere is 7a, then its total surface area (using π = 22 7 ) is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1357 a 2
2427 a 2
3462 a 2✓
4372 a 2

Correct answer

462 a 2

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If the radius of a hemisphere is 7a, then its total surface area (using π = 22 7 ) is:

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If the radius of a hemisphere is 7a, then its total surface area (using &pi; = 22 7 ) is:

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If the radius of a hemisphere is 7a, then its total surface area (using π = 22 7 ) is: