Answer: 10.5 ft^2
Step-by-step explanation:
[tex]A=\frac{a*b}{2} \\\\A=\frac{7*3}{2}\\\\A=10.5ft^{2}[/tex]
Answer:
A) 21 ft
So we are finding the area of a triangle so in that case we need to multiply.
L x W = Area
7 x 3 = 21
