Answer: 9=h
Step-by-step explanation:
The formula of an area of a triangle is A=1/2(b)(h)
In the problem, you were given that
b=16
h=x
A=72
Then pluge b, h, A in the equation of A=1/2(b)(h).
72=1/2(16)(h)
Simplify
72=8(h)
72/8=8(h)/8
9=h
