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2 years ago

find the missing length x in these keloids cuboids given their surface area. Plz tell me how you did it too. i realy need help.

Mathematics

1 answer:

emmainna [20.7K]2 years ago

8 0

Surface area =2*(3*x)+2*(1*x)+2*(3*1)=6x+2x+6=8x+6
70=8x+6
64=8x
x=8

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Read 2 more answers

P=2=2/+2w help solve for w

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P = 2l + 2w

solve for w

re-write

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subtract 2l from both sides

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Answer is B

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