The area of the largest triangle that can be inscribed in a semicircle of radius 4 cm in square centimetres is

Answer: Option A

Solution

Answer: Option A

Solution:

$$\begin{array}{rl}& \text{Base}=8\\ & \text{Height}=4\\ & \text{Area}=\frac{1}{2}\times \text{Base}\times \text{Height}\\ & =\frac{1}{2}\times 8\times 4\\ & =16\end{array}$$