SOLUTION: i need to find the length of a rectangle which is 4 more than the width. if the area of the triangle is 96 sq inches, i have to find the dimensions of the triangle.
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Question 246886: i need to find the length of a rectangle which is 4 more than the width. if the area of the triangle is 96 sq inches, i have to find the dimensions of the triangle. Answer by dabanfield(803) (Show Source):
You can put this solution on YOUR website! need to find the length of a rectangle which is 4 more than the width. if the area of the triangle is 96 sq inches, i have to find the dimensions of the triangle.
Let x be the width of the rectangle.
Then the length is x + 4.
Since the area of the rectangle (length times width) is 96 we have:
x*(x+4) = 96 or
x^2+4x-96 = 0
Solve this quadratic equation for x (the width). Then calculate the length as x+4.
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