Question

Find the length of the diagonal for a square that is 6 cm. by 6 cm. Leave answer in simple radical form, if necessary.

Answer 1

Answer:

$6\sqrt{2}$

Step-by-step explanation:

let the diagonal be d

using the pythagoras theorem,

$6^{2} + 6^{2} = d^{2}$

$d=\sqrt{72}$

which in radical form is

$6\sqrt{2}$