Answer:
6
Explanation:
Area of triangle equation:
A=
base * height
For this triangle...
12=
(4) (x)
we need to figure out what x is to find the height.
To get x alone in this equation we can first divide both sides by 4
12/4=
(x) ---> 3=
(x) Then multiply by the reciprocal of 1/2 which is 2/1
x=6