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Find, in simplest radical form the shortest possible distance in CM that could be traced from A to B on the surface of this 3cm by 5cm by 9cm block.

 Feb 21, 2021
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If you flatten the block into a net drawing you will see going from A to B will  be

 sqrt ( (3+9)^2 + 5^2) = 13 cm

 Feb 21, 2021

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