SOLUTION: what is the total surface area and the volume of a rectangular solid if the width is 3 cm, length 4 cm and diagonal length is square root of 29?
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Question 712403: what is the total surface area and the volume of a rectangular solid if the width is 3 cm, length 4 cm and diagonal length is square root of 29?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
what is the total surface area and the volume of a rectangular solid if the width is 3 cm, length 4 cm and diagonal length is square root of 29?
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If it's the internal diagonal:
d^2 = 3^2 + 4^2 + s^2 where s it the 3rd edge length
d^2 = 25 + s^2 = 29
s = 2
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The solid is 2 by 3 by 4
SA = 2(2*3 + 2*4 + 3*4) = 2*26
SA = 52 sq cm
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