Question

find the area of an isosceles right triangle if one of the right triangle is 20 cm long​

Answer 1

Step-by-step explanation:

area of isosceles right triangle

$\begin{gathered} = \frac{1}{2} \times {side}^{2} \\ = \frac{1}{2} \times {20}^{2} \\ = \frac{1}{2} \times 20 \times 20 \\ = 10 \times 20 \\ = 200 {cm}^{2} \\ \end{gathered}$