Answer:
The base of triangle is equal to [tex]16\ yd[/tex]
Step-by-step explanation:
we know that
The area of a triangle is equal to
[tex]A=\frac{1}{2}bh[/tex]
where
b is the base of triangle
h is the height of triangle
In this problem we have
[tex]A=80\ yd^{2}[/tex]
[tex]h=10\ yd[/tex]
substitute in the formula and solve for b
[tex]80=\frac{1}{2}b(10)[/tex]
[tex]80=5b[/tex]
[tex]b=80/5=16\ yd[/tex]