railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
A chord of length 40 cm is at a distance of 15 cm from the centre. What is the length of the chord of the same circle which is at a distance of 20 cm from the centre of circle?
1
15 cm
2
25 cm
3
45 cm
4
30 cm