Question

if the sides of a rectangle measure 3 cm and 4 cm ,then the measure of the diagonal is

Answer 1

Since it is a rectangle, the angle between the sides are 90°.
By pythagoras theorem,
$Diagonal^{2}$ = $3^{2}$ + $4^{2}$
                                     = 9 + 16
Diagonal = $\sqrt{25}$
               = 5cm

Answer 2

Hi friend,

Here is your answer,

I am attaching a picture your help.......