In Fig. 4.60, AD bisects 
, AB = 12 cm, AC = 20 cm and BD = 5 cm, determine CD.
AD bisects ∠A
∴ AB/AC=BD/CD
12/20=5/CD
CD =100/12
CD=8.33 cm
7
In Fig. 4.60, AD bisects , AB = 12 cm, AC = 20 cm and BD = 5 cm, determine CD.
AD bisects ∠A
∴ AB/AC=BD/CD
12/20=5/CD
CD =100/12
CD=8.33 cm