Answer:
A = 24.2 cm squared
Step-by-step explanation:
A triangle is a polygon with 3 sides. The area of a polygon is
[tex]A= \frac{1}{2}ap[/tex] where a is the apothem and p is the perimeter. We have those measures so filling in gives us:
A = .5(2.16)(22.45) so
A = 24.2 cm squared