Question 1205530
Draw a triangle and label it ABC. Draw the perpendicular bisectors of the sides AB and BC and call their point of intersection ఓ. Use your diagram to prove that it is possible to draw a circle through the vertices of any triangle. (You may wish to draw other diagrams to cover all possible cases 
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Any 3 non-colinear points can be the vertices of a triangle.
Any 3 non-colinear points define a circle.