The formula in finding the area of the triangle is [tex] \frac{(base)(height)}{2} [/tex] or [tex] \frac{1}{2} [/tex] x base x height.
A = [tex] \frac{bh}{2} [/tex]
= [tex] \frac{(5 cm)(7 cm)}{2} [/tex]
= [tex] \frac{35 cm}{2} [/tex]
= 17.5 cm
Therefore, the area of the triangle is 17.5 cm.