Question

find the length of diagonals of a rectangle whose sides are 12 cm and 5 cm​

Answer 1

As we known that diagonals of rectangle are equal so , DB=AC=13


Here is your answer.

Answer 2

Answer:

length of diagonal = $\sqrt{12 {}^{2} + 5 {}^{2} }$

$\sqrt{144 + 25}$

$\sqrt{169} = 13cm$