circle

Related Questions

• The circle ${{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0$ bisects the circumference of the circle ${{x}^{2}}+{{y}^{2}}+2g'x+2f'y+c'=0$ , if

  ---

• The centre of a circle is (2, –3) and the circumference is $10\pi $ . Then the equation of the circle is

  ---

• Area of the circle in which a chord of length $\sqrt{2}$ makes an angle $\frac{\pi }{2}$ at the centre is

  ---

• The equation of the circle having its centre on the line $x+2y-3=0$ and passing through the points of intersection of the circles ${{x}^{2}}+{{y}^{2}}-2x-4y+1=0$ and ${{x}^{2}}+{{y}^{2}}-4x-2y+4=0$ , is

  ---

• The equations of the tangents to the circle ${{x}^{2}}+{{y}^{2}}=13$ at the points whose abscissa is 2, are

  ---