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Elena-2011 [213]
3 years ago
15

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

Mathematics
2 answers:
dedylja [7]3 years ago
6 0
It 20 and if + it withe x qnd you can so it is 20x
Varvara68 [4.7K]3 years ago
6 0
Area = 2(10x) + 2(2 x 10) + 2(2x)
112 = 20x + 40 + 4x
112-40 = 24x
72=24x
3=x
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