paulmerlo732
paulmerlo732
11-04-2018
Mathematics
contestada
please help im so confused?
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musiclover10045
musiclover10045
11-04-2018
area = 2x PI x r x H + 2 x PI x R^2
take pi out
2 x r x H + 2 x r^2
r = 8, h = 3
2 x 8 x 3 + 2 x 8^2 = 48 + 128 = 176
answer is D 176pi units^2
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