from the figure AB is bisector of angle BAC AB = 10 cm AC = 15 cm what is the ratio of triangle ABD : ADC
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Answer:
ad is bisector ♂️ ️
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Solution
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Let BD=x cm. Then, DC=(6-x) cm.
Since AD is the bisector of ∠A.
∴
AC
AB
=
DC
BC
⇒
14
10
=
6−x
x
⇒
7
5
=
6−x
x
⇒ 30−5x=7x
⇒ 12x=30
⇒ x=
2
5
=2.5cm
⇒ BD=2.5cm and
DC=(6−x)cm=(6−2.5)cm=3.5cm
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