2014 · Q84
If AD is the internal angular bisector of triangle ABC with AB = 3 cm and AC = 1 cm, then what is BD : BC equal to?
Elementary MathematicsGeometry
- A1 : 3
- B1 : 4
- C2 : 3
- D3 : 4
Explanation
BD/DC = AB/AC = 3/1, so BD:BC = 3:4.
If AD is the internal angular bisector of triangle ABC with AB = 3 cm and AC = 1 cm, then what is BD : BC equal to?
Explanation
BD/DC = AB/AC = 3/1, so BD:BC = 3:4.