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Find the coordinates of a point A, where AB is the diameter of circle whose center is (2, -3) and B is (1, 4). |
Answer» Let the coordinates of point A be (x, y) If AB is the diameter, then the center in the mid-point of the diameter So, (2, -3) = (x + 1/ 2, y + 4/ 2) 2 = x + 1/2 and -3 = y + 4/ 2 4 = x + 1 and -6 = y + 4 x = 3 and y = -10 Therefore, the coordinates of A are (3, -10) |
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