Question

Prove that the points A (1.-3), B(-3.0) and C14.1) are the vertices of a right
Isosceles triangle
mantha
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Answer 1

AB=√{ (-3-1)^+(0+3)^}

=√{(-4)^+(3)^}

=√{16+9} =√25 = 5 unit.

BC=√{(14+3)^+(1-0)^}

=√{17^+1^}

=√{289+1}=√290 unit.

AC=√{(14-1)^+(1+3)^

=√{13^+4^}

=√185 unit .

So,

ABC is not an isosceles triangle.

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