Mathematics

Problem

A rectangular box measures

30\,\text{cm}

in length,

20\,\text{cm}

in width and

12\,\text{cm}

in height. What is the length of the shortest stick that can fit exactly from one bottom corner to the opposite top corner inside the box? a)

36\,\text{cm}

42\,\text{cm}

38\,\text{cm}

40\,\text{cm}