defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Geometry Circles, Chords and Tangents
AD is a tangent of a circle, and ABC is the secant. If AB = 8 cm and BC = 10 cm, then find the length of AD.
1
144 cm
2
12.5 cm
3
13.45 cm
4
12 cm