circle

Related Questions

• The value of c, for which the line $y=2x+c$ is a tangent to the circle ${{x}^{2}}+{{y}^{2}}=16$ , is

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• The line $y=mx+c$ will be a normal to the circle with radius r and centre at (a, b), if

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• The slope of the tangent at the point $(h,h)$ of the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ is

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• The point (2, 3) is a limiting point of a coaxial system of circles of which ${{x}^{2}}+{{y}^{2}}=9$ is a member. The co-ordinates of the other limiting point is given by

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• The equation of the circumcircle of the triangle formed by the lines $y+\sqrt{3}x=6,\ y-\sqrt{3}x=6,$ and $y=0$ , is

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