annannnnaa annannnnaa
  • 23-01-2016
  • Mathematics
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Please help. Show work. Thank you all so much if you answer

Please help Show work Thank you all so much if you answer class=

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HeyItsZia1 HeyItsZia1
  • 23-01-2016
You need to know the formula for surface area to solve this: 2ab + 2bc + 2ac
You are given the measures of the sides, so plug them into the formula, 2(4)(4) + 2(4)(7) + 2(4)(7) = SA. Solve this to find the surface area, 144 cm. Then to find the measure of it without the top included, find the measure of the top, 28 cm. Subtract this from the original surface area to get 116.
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hi please help me thankssspls provide workings too thanks :)​