Answer:
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Step-by-step explanation:
8cm are the one that is shaded and go get your self someone more than my Sista
Do 2x2 first which is 4 and then 5+12 which is 17 . 17/4 is 4.25
The surface area formula is 4 x pi x r^2
62= 12+c
Which your answer is 50 cause if you take 62 and subtract it to 12 it's 50. So 50 + 12 = 62