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Question
If R (5, 6) is the mid-point of the line segment AB joining the points A (6, 5) and B (4, y), then y equals
(a) 5 (b) 7 (c) 12 (d) 6
If R (5, 6) is the mid-point of the line segment AB joining the points A (6, 5) and B (4, y), then y equals
(a) 5 (b) 7 (c) 12 (d) 6
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Solution
Given points are A (6, 5) and B (4, y).
Mid-point of AB = R
Mid point = [(6+4)2,(5+y)2]=(5,6)(5+y)2=65+y=12y=12−5y=7.
Given points are A (6, 5) and B (4, y).
Mid-point of AB = R
Mid point = [(6+4)2,(5+y)2]=(5,6)(5+y)2=65+y=12y=12−5y=7.
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