SOLUTION: In circle C, QR is a diameter, and Q(1,8) and C(3.5, 2) are points on a
coordinate plane.
Find and state the coordinates of point R.
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Question 271014: In circle C, QR is a diameter, and Q(1,8) and C(3.5, 2) are points on a
coordinate plane.
Find and state the coordinates of point R.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
C must be the center of the circle, so since QR is a diameter, C must be the mid-point of QR.
Use the mid-point formulae to determine the coordinates of R.
and
Where )
are the coordinates of C, )
are the coordinates of Q, and )
are the coordinates of R. Substitute what you know and then solve:
and
John
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