circle

Related Questions

• The equations of tangents to the circle ${{x}^{2}}+{{y}^{2}}-22x-4y+25=0$ which are perpendicular to the line $5x+12y+8=0$ are

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• If the tangent at a point $P(x,y)$ of a curve is perpendicular to the line that joins origin with the point P, then the curve is

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• If the line $lx+my+n=0$ be a tangent to the circle ${{(x-h)}^{2}}+{{(y-k)}^{2}}={{a}^{2}},$ then

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• If the lines $3x-4y+4=0$ and $6x-8y-7=0$ are tangents to a circle, then the radius of the circle is

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• The equation of the circle which passes through the origin and cuts off intercepts of 2 units length from negative coordinate axes, is

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