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PLZ HELP ILL MARK AS BRAINLEITS

PLZ HELP ILL MARK AS BRAINLEITS-example-1
User Heera
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SA=\pi rs+\pi r^2\\r=8/2=4\\s=7 \\SA=3,14*4*7+3,14*4^2=138,16\:\text{in}^2\approx138\:\text{in}^2

Answer: 138 in²

User Henry Mueller
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