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Mathematics 7 Online
OpenStudy (anonymous):

Find the length of the longest pencil which can be placed in a rectangular box of dimensions 8cm x 10cm x 4cm..

OpenStudy (anonymous):

Answer given in the answer sheet is 13.4cm but IDK how to solve

OpenStudy (anonymous):

3d Pythagorean: \[\sqrt{8^2 + 10^2 +4 ^2}\]

OpenStudy (anonymous):

huh?

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