SOLUTION: James built a box with dimensions 30cm long, 12cm wide and 20cm high what is the longest paintbrush that can be stored in the box Show working out please

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Question 982346: James built a box with dimensions 30cm long, 12cm wide and 20cm high what is the longest paintbrush that can be stored in the box
Show working out please

Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Three-Dimensioned Pythagorean Theorem, using the longest diagonal as if it were 3-D hypotenuse.

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