railway RRB Group D Mock Test Series 2024-25 Quantitative Aptitude Geometry Circles, Chords and Tangents
Two circles are having radii 9 cm and 12 cm and intersect each other. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?
1
6.8
2
13.6
3
7.2
4
14.4