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10-11-2017
Mathematics

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The total surface area is 112cm². Work out the value of x. Please include working out.

The total surface area is 112cm Work out the value of x Please include working out class=

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dserrano2904 dserrano2904

10-11-2017

It 20 and if + it withe x qnd you can so it is 20x

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10-11-2017

Area = 2(10x) + 2(2 x 10) + 2(2x)
112 = 20x + 40 + 4x
112-40 = 24x
72=24x
3=x

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