Question
Download Solution PDFFind the radius of the circle whose centre is at (2, 2) and which passes through the point (4, 5).
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Let A (x1, y1) and B (x2, y2) be any two points in the XY – plane, then the distance between A and B is given by:
Calculation:
The centre of the circle is at (2, 2). Since, the point (4, 5) lies on the circle, the distance of the centre from this point is the radius r of the circle.
Therefore, we obtain
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