Question

if side of cube is 8.5cm find the length of a diagonal

Answer 1

$if \: we \: have \: a \: cube \: having \: edge \: length = a \\ then \: \\ diagonal = \sqrt[]{3} a \\ here \: diagonal \: = (8.5)( \sqrt{3)} = 14.722cm \\ mark \: as \: brainliest \: if \: helped$
here is your answer....

Answer 2

diagonal of cube
can be find using Pythagoras theorem

side square + side square = diagonal square
8.5 square+8.5 square=diagonal square
144.5= diagonal square
12.2cm