How Much Do You Know About Geometry?

Geometry Level 3

Consider the following statements.

$$[1]$$. The converse of Ptolemy's Theorem isn't always true.

$$[2]$$. If a trapezium [a convex quadrilateral with at least one pair of sides parallel] is cyclic, then its legs are always equal.

$$[3]$$. The lowest value of a power of a point is $$0$$.

Which of these are correct?

This problem is from the set "MCQ Is Not As Easy As 1-2-3". You can see the rest of the problems here.

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