Mensuration Practice Test 1

Question : 11 of 40

Marks: +1, -0

Find the maximum length of a pencil that can be kept in a box with dimensions 3 cm × 4 cm × 5 cm.

Solution:

Largest pencil can be kept diagonally in the box,
So, length of diagonal =

√{3^2+4^2+5^2}

√{9+16+25}

√{50}

5√2

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