Question

What is the length of a diagonal of a cube with a side length of 10 cm?

O V200 cm
V210 cm
V300 cm
V320 cm

Answer 1

the length of a diagonal of a cube with a side length of 10 cm :

`√(300)`

Explanation:

just apply the Pythagorean theorem two times .

look at the photo below for the figure.

:)