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The four distinct points (0,0), (2,0), (0,-2) and (k, -2) are concyclic, if k is equal to (a) -2 (b) 2 (c) 1 (d) 0 Explain pls.

The four distinct points (0,0), (2,0), (0,-2) and (k, -2) are concyclic, if k is equal to


(a) -2 (b) 2 (c) 1 (d) 0


Explain pls.

Grade:12th Pass

1 Answers

Aman Bansal
592 Points
12 years ago

Dear Aditi,

Using the property of concyclic points;

mid point of (00),(0,-2) must be equal to the mid point of (2,0) and k,-2) which is equal to the centre of the circle on which theses points lie,

This k = -2;

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