FORMULAS:

Now that we have the center and radius, substitute into the circle formula. Square the 3. Use the distance formula to prove that a triangle with vertices at (1, 2), (4, 2), and (1, 6) is a right triangle. Distance from (1, 2) to (4, 2) First I find the distance between the first two points using the distance . formula which is . Solve for the ... ................
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