pls answer the question in the attachment
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Total surface area of cylinder = 2 * 22/7* (80 + 10r + 64 - r² ) = 338 * 22/7
2 ( 144+10r - r ² ) = 338
= r² - 10r +25 =0. So ( r -5)² = 0 .so r = 5
So for thickness = R - r = 8 - 5 = 3
Hope it helps Please mark me as brainliest.
2 ( 144+10r - r ² ) = 338
= r² - 10r +25 =0. So ( r -5)² = 0 .so r = 5
So for thickness = R - r = 8 - 5 = 3
Hope it helps Please mark me as brainliest.
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