Question

Find the distance between the points (0, 0), (a, b). [1 MARK]

Answer 1

Concept : 0.5 Mark
Application : 0.5 Mark

Distance between origin(0,0) and any point$(x_1,y_1)$ is,

D = $\sqrt{{\left(x_1\right)}^2+{\left(y_1\right)}^2}$

D = $\sqrt{{\left(a\right)}^2+{\left(b\right)}^2}$

D = $\sqrt{a^2+b^2}$ units