From a point R(5, 8) two tangents RP and RQ are drawn to a given circle s=0 whose radius is 5. If circumcentre of the triangle PQR is (2, 3), then the equation of circle S = 0 is

From a point R(5,8), two tangents RPandRQ are drawn to a given circle S=0 whose radius is 5. If the circumcenter of triangle PQR is (2,3), then the equation of the circle S=0 is x^(2)+y^(2)+2x+4y-10=0x^(2)+y^(2)+x+2y-10=0x^(2)+y^(2)-x+2y-20=0x^(2)+y^(2)+4x-6y-12=0

From a point R(5,8) , two tangents R Pa n dR Q are drawn to a given circle S=0 whose radius is 5. If the circumcenter of triangle P Q R is (2, 3), then the equation of the circle S=0 is a x^2+y^2+2x+4y-20=0 b x^2+y^2+x+2y-10=0 c x^2+y^2-x+2y-20=0 d x^2+y^2+4x-6y-12=0

From a point R(5,8) , two tangents R Pa n dR Q are drawn to a given circle S=0 whose radius is 5. If the circumcenter of triangle P Q R is (2, 3), then the equation of the circle S=0 is a x^2+y^2+2x+4y-20=0 b x^2+y^2+x+2y-10=0 c x^2+y^2-x+2y-20=0 d x^2+y^2+4x-6y-12=0

From a point R(5,8) , two tangents R Pa n dR Q are drawn to a given circle S=0 whose radius is 5. If the circumcenter of triangle P Q R is (2, 3), then the equation of the circle S=0 is (a) x^2+y^2+2x+4y-20=0 (b) x^2+y^2+x+2y-10=0 (c) x^2+y^2-x+2y-20=0 (d ) x^2+y^2+4x-6y-12=0

From a point A(-3,5) tangents are drawn to the circle.If BC is the contact,then the circumcentre of triangle ABC is

Two tangents OP & OQ are drawn from origin to the circle x^(2)+y^(2)-x+2y+1=0 then the circumcentre of Delta OPQ is

Find the length of tangent segment drawn to a circle with radius 5 cm from a point 13 cm from the centre of the circle.

Find the length of a tangent drawn to a circle with radius 5cm ,from a point 13cm from the centre of the circle.

Find the length of a tangent drawn to a circle with radius 5 cm, from a point 13 cm from the centre of the circle.

In Fig. two tangents RQ and RP are drawn from an external point R to the circle with centre O. If anglePRQ = 120 ^@ , then prove that OR = PR + RQ .