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The total surface area is 112cm². Work out the value of x. Please include working out.
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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 112cm². Work out the value of x. Please include working-example-1
User Will Charczuk
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Area = 2(10x) + 2(2 x 10) + 2(2x)
112 = 20x + 40 + 4x
112-40 = 24x
72=24x
3=x
User Phiggy
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