The formula of an area of a triangle:
[tex]A_\triangle=\dfrac{1}{2}bh[/tex]
b - base
h - height
We have
b = 12 in
h = 7 in
Therefore correct answer has Hazel.
[tex]A_\triangle=\dfrac{1}{2}\cdot12\cdot7=42\ in^2[/tex]
Emmitt wrong described the base of the triangle.
