Home › TS EAMCET › Mathematics › Coordinate Geometry: System of Circles › Two circles of radius 5 have centres 8 units apa…
Two circles of radius 5 have centres 8 units apart. Their common chord has length
A8
B10
C3
D6
Answer & Solution
Correct answer: D. 6
The chord is 4 from each centre, so half of it is the square root of 25 - 16 = 3 and the whole is 6.
Related questions
The plane of the common circle of two spheres is the?Four points fix a unique sphere if they are?Base points that define a pencil of conics?Points in general position that fix a conic?The line shared by every plane of a pencil of planes is its?The common point of a pencil of lines is its?The radical plane of two spheres has equal what?In the chords and secants theorems, power of a point is the?