The length of a line segment is of 10 units and the coordinates of one end-point are (2,-3). If the abscissa of the other end is 10, find the ordinate of the other end.
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3
Answer:
Let ordinatre of the point be y
So,
√ { (2-10)^{2} + (-3-y)^{2} } = 10(2−10)2+(−3−y)2=10
or, 64 + (y+3)(y+3) = 100
or, (y+3)(y+3) = 36
or, y+3 = 6,-6
or, y = 6-3, -6-3 = 3,-9 (proved)
Answered by
2
Let ordinatre of the point be y
So,
\sqrt{ (2-10)^{2} + (-3-y)^{2} } = 10
or, 64 + (y+3)(y+3) = 100
or, (y+3)(y+3) = 36
or, y+3 = 6,-6
or, y = 6-3, -6-3 = 3,-9 (proved)
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