Home
Class 11
MATHS
If the length of a common internal tange...

If the length of a common internal tangent to two circles is 7, and that of a common external tangent is 11, then the product of the radii of the two circles is (A) `36` (B) `9` (C) `18` (D) `4`

Promotional Banner

Similar Questions

Explore conceptually related problems

If two circles are touching externally, how many common tangents of them can be drawn ?

The lengths of the two tangents from an external point to a circle are equal.

If y=4x+c is a tangent to the circle x^(2)+y^(2)=9 , find c.

The length of the two tangent segment drawn to a circle from an external point are……………..

The length of the two tangent segment drawn to a circle from an external point are……………..

Equation of a common tangent to the circle x^(2) + y^(2) - 6x = 0 and the parabola, y^(2) = 4x , is

Can we draw two tangents perpendicular to each other on a circle ?

Two circles of radii 5 cm and 3 cm touch externally . Find the distance between them.

The circles which are not congruent touch externally. The sum of their areas is 130picm^(2) and distance between their centres is 14 cm . Find the radii of the two circles.