circle

Related Questions

• The area of the triangle formed by the tangents from the points (h, k) to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ and the line joining their points of contact is

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• The radius of the circle, having centre at (2,1) whose one of the chord is a diameter of the circle ${{x}^{2}}+{{y}^{2}}-2x-6y+6=0$ is

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• The equation of the circle through the points of intersection of ${{x}^{2}}+{{y}^{2}}-1=0$ , ${{x}^{2}}+{{y}^{2}}-2x-4y+1=0$ and touching the line $x+2y=0$ , is

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• The normal to the circle ${{x}^{2}}+{{y}^{2}}-3x-6y-10=0$ at the point (–3, 4), is

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• The number of circles touching the lines $x=0$ , $y=a$ and $y=b$ is

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