Given:
A triangle with sides base 9 cm , height 12 cm and hypotenuse 15 cm.
Required:
What is the area of triangle?
Explanation:
The area of triangle is
[tex]A=\frac{1}{2}\times base\times height[/tex]We have base = 9 cm and height = 12 cm.
Now,
[tex]\begin{gathered} A=\frac{1}{2}\times9\times12 \\ A=54\text{ cm}^2 \end{gathered}[/tex]Answer:
Option A is correct.