To find the value of x and the dimensions of the given triangle, recall that the area of a triangle is found by taking one half of the base multiplied by the height.
We know that the area is A=80cm2, the height is h=xcm, and the base is b=2x+4cm.
Solving for x
We can create an equation to solve for x by substituting the given expressions into the formula for the area of a triangle.
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