Condition Between Two Circles

Position Of Cirlces(And Number Of Common Tangents)|Angle Between Two Circles |OMR

Sonia made two concentric circles with two pieces of rope. The distance between two circles is 6 cm. What is difference between lengths of 2 ropes used to make circles ?

A chord of the larger among two concentric circles is of length 10 cm and it is tangent to the smaller circle. What is the area (in cm ) of the annular portion between the two circles?

Ilustration Based upon Common Chord and Radical Axis || Angle between Two Circles Condition OF Orthogonality || Parametric Equation || Pole And Polar

Ilustration Based upon Common Chord and Padical Axis|| Angle between Two Circles Condition OF Orthogonality, Parametric Equation and Pole And Polar

Angle Between Two Circle | Orthogonal Circles | Locus Based Problems

The condition for two circles with radii and r_(1) and r_(2) be the distance between their centre,such that the circles are orthogonal is

What are the two necessary conditions for a collision between two molecules to be effective ?

Condition For Leaving The Circle

Find the distance between two parallel tangents of a circle of radius 3 cm.