You can put this solution on YOUR website! The formula for finding the area of a triangle is A = 1/2 * b * h.
Let A = 20
Let b = x + 2
Let h = x
Here is your equation:
20 = 1/2 * (x + 2)(x)
Can you take it from here?
To find the height, solve the given equation for x.
Got it?