Answer:
v = 17.4 meters
Explanation:
This is a triangle with height (red dotted line) given.
The area of a triangle is given by the formula:
Where
A is the area
b is the base length
h is the height
Given height = 12, and
area = 104.4
THe base is labeled as "v", so we find v by replacing into formula:
The base, v, is 17.4 meters