Question

the length and breadth of a rectangle are 12 cm and 5 cm respectively find the length of diagonal.

Answer 1

digonal of rectangle =
$\sqrt{5 ^{2} } + \sqrt{12 ^{2} }$
=13

Answer 2

Pythagoras Theorem:

5^2 + 12^2 = 169

square root of 169 = 13

Ans: 13 cm -  length of diagonal