railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Geometry Circles, Chords and Tangents
Two circles have radii of 27 cm and 36 cm. The distance between their centres is 45 cm. What is the length (in cm) of their common chord?
1
47.5 cm
2
40.5 cm
3
37.2 cm
4
43.2 cm