Question

How do you show that the triangle with vertices #A(4, -1), B(5,6) and C(1,3) is an isosceles right triangle?

Answer 1

`|AB|=sqrt50`, `|BC|=5`, `|CA|=5`
`|BC|=|CA|=5` Isosceles
`|AB|^2=|BC|^2+|CA|^2` Right triangle

Explanation:

you have to find the distance by point to point distance formula to get the answer