Teaching Bihar D.El.Ed Mock Test Series 2024-25 Quantitative Aptitude Geometry Circles, Chords and Tangents
If the distance between the centres of two circles is 12 cm and the radii are 5 cm and 4 cm, then the length (in cm) of the transverse common tangent is:
1
9
2
\(\sqrt{143}\)
3
\(\sqrt{63}\)
4
7