defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Geometry Circles, Chords and Tangents
A circle inscribed in a triangle ABC touches its sides AB, BC and AC at the points D, E and F, respectively. If AB = 18 cm, BC = 15 cm and AC = 13 cm, then the value of AD + BE + CF is:
1
25 cm
2
33 cm
3
23 cm
4
20 cm