Question

find the area of largest triangle that can be inscribed in a sdmi circle of radius r

Answer 1

Largest triangle the can be inscribed will be height of the radius = r
Base will be diameter = 2r
Now, area = 1/2 *base * height
= 1/2 * r * 2r
=
${r}^{2} \: \: {unit}^{2}$