find the coordinate of a point A where AB is the diameter of a circle whose center is (2,-3)and B is the point (1,4)
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Radius of the line= Distance from centre to B.
Hence, to find it out:
Distance from centre to B = √((x₂-x₁)²+(y₂-y₁)²)
=√((4+3)²+(1-2)²
=√7²+(-1)²
=√50
=5√2
Therefore, Diameter= 2.Radius
or, Diameter= 2.5√2
or, Diameter= 10√2
or, Diameter= 2√50
Hence, to find it out:
Distance from centre to B = √((x₂-x₁)²+(y₂-y₁)²)
=√((4+3)²+(1-2)²
=√7²+(-1)²
=√50
=5√2
Therefore, Diameter= 2.Radius
or, Diameter= 2.5√2
or, Diameter= 10√2
or, Diameter= 2√50
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