Question

Is this triangle a right triangle?

Answer 1

you can get help from Pythagoras theorem :

`{x}^(2) = {2}^(2) + {3}^(2) \\ {x}^(2) = 4 + 9 = 13 \\ x = √(13)`
it's not a right triangle

Answer 2

no it is not

2^2 = 4
3^2 = 9
4^2 = 16

9+4 = 13
13 does not = 16