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.The equation of the circle passing thro...

.The equation of the circle passing through three non-collinear points P(`x_1,y_1`) Q(`x_2,y_2`) and R(`x_3,y_3`) is

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Equations of circle `x_1^2+y_1^2+2gx_1+2fy_1+c=0`
`x_2^2+y_2^2+2gx_2+2fy_2+c=0`
`x_3^2+y_3^2+2gx_3+2fy_3+c=0`
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RD SHARMA-CIRCLE -All Questions
  1. A B C D is a cyclic quadrilateral whose diagonals A Ca n dB D intersec...

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  2. (Converse of Theorem 3) The line joining the centre of a circle to the...

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  3. .The equation of the circle passing through three non-collinear points...

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  4. Two chords A B and A C of a circle are equal. Prove that the centre of...

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  5. If two chords A B and A C of a circle with centre O are such that the ...

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  6. If two arcs of a circle (or of congruent circles) are congruent, then ...

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  7. If two chord of a circle (or of congruent circles) are equal, then the...

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  8. The perpendicular from the centre of a circle to a chord bisects the ...

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  9. If two circles intersect in two points, prove that the line through th...

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  10. Find the length of the chord which is at 12 cm distance from center an...

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  11. In an isosceles triangle A B C with A B=A C , a circle passing through...

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  12. P Qa n dR S are two parallel chords of a circle and lines R Pa n dS Q ...

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  13. A B C is an isosceles triangle in which A B=A Cdot If Da n dE are the ...

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  14. Da n dE are points on equal sides A Ba n dA C of an isosceles triangle...

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  15. D\ a n d\ E are, respectively, the points on equal sides A B\ a n d...

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  16. A B C D is a cyclic quadrilateral. A Ba n dD C are produced to meet in...

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  17. In Figure, P Q R S is a cyclic quadrilateral. Find the measure of each...

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  18. Prove that any cyclic parallelogram is a rectangle.

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  19. A Ca n dB D are chords of a circle which bisect each other. Prove that...

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  20. A B C D is a parallelogram. The circle through A ,B and C intersects C...

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