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Work out the TOTAL surface area of this hemisphere which has a radius of 8cm?

Work out the TOTAL surface area of this hemisphere which has a radius of 8cm?
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5 votes
Work out the TOTAL surface area of this hemisphere which has a radius of 8cm?

Work out the TOTAL surface area of this hemisphere which has a radius of 8cm?-example-1
asked
User Felby
by
8.0k points

1 Answer

10 votes

Answer:

603.2cm²

Explanation:

SAshpere=4πr²

SAhemi=2πr²+πr²

2πr²+πr²=3πr²

3×π×8²=192π

=603.2cm²

answered
User Jayj
by
7.8k points
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