Engineering Board Exam Reviewer · Solid Geometry: Prisms, Pyramids, and Cylinders · medium

Find the length of the diagonal of a rectangular box with edges 3, 4 and 12.

1. 13
2. 19
3. 12.65
4. 5

Answer

A. 13

Solution

d=sqrt(32+42+122)=sqrt(169)=13.

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