[" Q.If the chord joining the points "(2,-1),(1,-2)],[26" subtends a right angle at the centre of the circle,"],[" then its centre and radius are "]

If the chord joining the points (2,-1),(1,-2) subtends a right angle at the centre of the circle,then its centre and radius are

If the chord joining the points (1,-3),(-3,1) subtends a right angle at the centre of the circle,then equation of the circle is

The line join of the points (2,3) and (-1,5) subtends a right angle at P. If the locus of P is a circle then its radius is

If the chord joining the points t_(1) and t_(2) on the parabola y^(2)=4ax subtends a right angle at its vertex then t_(2)=

If a chord of a circle of radius 'r' subtends a right angle at the centre of the circle, then determine the area of the corresponding segment ?

The locus of the middle point of the chord of the circle x^(2)+y^(2)=1 such that the segment of the chord on the parabola y=x^(2)-x subtends a right angle at the origin,is a circle whose centre and radius respectively are

A chord of a circle of radius 10cm subtends a right angle at the centre. The length of the chord (in cm) is

The locus of the centre of the circle in which the chord joining the points (1,2) and (2,-1) subtends an anglt (pi)/(4) at any point on the circumference is

A chord of circle of a radius 28 cm subtends a right angle at the centre. What is the area of the minor sector?

If a chord of a circle x ^(2) +y ^(2) =4 with one extermity at (1, sqrt3) subtends a right angle at the centre of this circle, then the coordinates of the other extermity of this chord can be: