Two circles with centres `C_(1),C_(2)` and same radius `r` cut each other orthogonally,then `r` is

Two circles with centers A and B and radius 2 touch each other externally at C.A third circle with center C and radius 2 meets the other two at D,E Then area ABDE is

Two circles with centres at C_(1) , C_(2) and having radii r_(1) , r_(2) will intersect each in two real distinct points if , and only if :

The circle S_(1) with centre C_(1)(a_(1),b_(1)) and radius r_(1) touches externally the circle S_(2) with centre C_(2)(a_(2),b_(2)) and radus r_(2) If the the the origin,then common point passes through the origin,then

Draw circles with centres A,B and C each of radius 3 cm, such that each circle touches the other two circles.

Three circles with centres C_(1),C_(2) and C_(3) and radii r_(1),r_(2) and r_(3) where *r_(-)1

If two circles of the same radius r and centres at (-1,2) and (3,6) respectively cut orthogonally,then the value of r is

Statement I Circles x^(2)+y^(2)=4andx^(2)+y^(2)-6x+5=0 intersect each other at two distinct points Statement II Circles with centres C_(1),C_(2) and radii r_(1),r_(2) intersect at two distinct points if |C_(1)C_(2)|ltr_(1)+r_(2)

The radical axis of two circles having centres at C_(1) and C_(2) and radii r_(1) and r_(2) is neither intersecting nor touching any of the circles, if

Two circles with same radius r intersect each other and one passes through the centre of the other. Then the length of the common chord is

Two circles with same radius r intersect each other and one passes through the centre of the other. Then the length of the common chord is