Question

In Fig. 4.60, AD bisects , AB = 12 cm, AC = 20 cm and BD = 5 cm, determine CD.

Answer 1

CD = 25 /3 cm if  AD bisects ∠A , AB = 12 cm, AC = 20 cm and BD = 5 cm

Step-by-step explanation:

AD bisects ∠A

angle bisector of a triangle will divide the opposite side into two segments that are proportional to the other two sides of the triangle.

=> AB/BD  = AC/CD

AB = 12 cm

AC = 20 cm

BD = 5 cm

CD = ?

=> 12/5  = 20/CD

=> CD = 20 * 5 /12

=> CD = 25 /3 cm

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