Asked by Kevin
The coordinates of the midpoint of the line AB are (1, 2). The length of the line AB is 10 units.
If the gradient of AB is 0, find the coordinates of A and B
If the gradient of AB is 0, find the coordinates of A and B
Answers
Answered by
Reiny
The line AB would be the horizontal diameter of a circle with centre (1,2) and radius 5
So just go 5 units to the left and to the right of (1,2)
A could be (-4,2) and B could be (6,2)
or B(-4,2) and A(6,2)
notice AB = √(6+4)^2 + 0^2) = 10
So just go 5 units to the left and to the right of (1,2)
A could be (-4,2) and B could be (6,2)
or B(-4,2) and A(6,2)
notice AB = √(6+4)^2 + 0^2) = 10
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