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trollcast
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Homework Statement
Points A B and C lie on the circumference of a circle where
$$A =(-3,2)\\B=(-1,6)\\C=(7,2)$$
Show that AC is the diameter of the circle.
Homework Equations
The Attempt at a Solution
Would it be sufficient to show that the angle ABC is a right angle and therefore by the inscribed angle theorem that any angle subtended from a diameter is a right angle?