Question

Find the perimeter of the triangle with vertices (0,4),(0,0) and (3,0).

Answer 1

REF.Image

Since $△ABO$ is a right -

angled $△$ by figure.

$\therefore AO=3$ units, OB = 4 units

and AB = 5 units

$\therefore$ Perimeter = OA+OB+AB

= 3+4+5

= 12 units