Question

Show that the following points form a right angled triangle.

(0, 0), (a, 0) and (0, b)

Answer 1

Given,

$A=(0,0),B(a,0),C(0,b)$

$AB=\sqrt{a^2}$ $BC=\sqrt{a^2+b^2}$

$AC=\sqrt{b^2}$

$\therefore A{B}^2+A{C}^2=B{C}^2$

Hence it is Rigit angle $\Delta$