ad is the bisector of angle A of triangle ABC if AB is equal to 2.4 ,AC is equal to 3.6 and BC is equal to 4.2 find BD
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BD= 1/2 ×BC
= 1/2 ×4.2
=2.1
= 1/2 ×4.2
=2.1
tinuthakur:
it is wrong...ismain koi theoram lagegii
okk
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Through angle bisector theorem, AB/AC=BD/DC
2.4/3.6 = BD/DC
2/3 = BD/BC-BD
2/3= BD/4.2-BD
Through cross multiplication we get
8.4-2BD = 3BD.
5BD=8.4
BD=8.4/5
BD=1.68
apne 2.4/3.6 ko 2/3 kaise likha...uski simplest form to 6/9 ho rhi hai..
mere hisab se
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