railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
There are two circles with radii of 55 cm and 35cm. The distance between their centers is 25 cm. What is the length of their direct common tangent?
1
5√5 cm
2
25 cm
3
15.5 cm
4
15 cm