[" Two circles of equal radii 'r' cut orthogonally."],[" If their centres are "(-2,-3)" and "(-5,-6)," then "r=]

Two circles of equal radii 'r' cut orghogoanlly If their centres are (-2 ,3) and (-5 ,-6) then r =

Two circleS of equal radius ' r ' cut orthogonally. If their centres are (2,3) and (5,6), then r=

Two circleS of equal radius ' r ' cut orthogonally. If their centres are (2,3) and (5,6), then r=

Two circles of equal radius a cut orthogonally . If their centres are (2,3) and (5,6) then radical axis of these circles passes through the point

Two circles of equal radius a cut orthogonally. If their centres are (2,3) and (5,6), then radical axis of these circles passes through the point

The circles having radii r1 and r2 intersect orthogonally Length of their common chord is

If the circles of same radius a and centres (2,3), (5,6) cut orthogonally , then a=

The circles having radii r_1 and r_2 intersect orthogonally. Length of their common chord is