Published by:
CGP EDU Academic Team
Published on: August 14, 2026
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:
Text Solution
Verified by ExpertsThe correct answer is:
A
as we know
squaring & subtact 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Find the equations to the common tangents of the circles and
Show that the circles and cut each other orthogonally.
Find the equation of the circle passing through the origin and cutting the circles and at right a…
Given the three circles and 0 , find (1) the point from which the tangents to them are equal in l…
Number of common tangents of the circles (x + 2)²+(y − 2)² = 49 and (x − 2)² + (y + 1)² = 4 is:
The equation of the common tangent to the circle and 26 = 0 at their point of contact is