Question

If two sides of the right angled triangle are 3and4
then the length of the third side is​

Answer 1

given two sides of a right angled triangle are 3cm and 4 cm .

by using Pythagoras theorem,

hypotenuse square =side square + side square .

other side=

\begin{gathered} \sqrt{ {3}^{2} + {4}^{2} } \\ = \sqrt{9 + 16 } \\ = \sqrt{25} \\ = 5\end{gathered}

3

2

+4

2

=

9+16

=

25

=5

therefore third side is equal to 5