A right triangle has one vertex on the graph of y = 9 - x^2, where x > 0, at point (x, y), another at the origin and the third on the positive x-axis at point (x, 0). Express the area A of the triangle as a function of x.

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- January 22nd 2007, 02:45 PMsymmetryRight Triangle
A right triangle has one vertex on the graph of y = 9 - x^2, where x > 0, at point (x, y), another at the origin and the third on the positive x-axis at point (x, 0). Express the area A of the triangle as a function of x.

- January 22nd 2007, 03:15 PMThePerfectHacker
- January 22nd 2007, 04:31 PMsymmetryok
I thank you for pointing out how easy this question really is.