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Fluff2517 Fluff2517
  • 21-03-2017
  • Mathematics
Answered

in the figure, Line BD bisecte angle ABC.

what is the length of line DC

in the figure, Line BD bisecte angle ABC. what is the length of line DC class=

Verified Answer :

ChandrikaP ChandrikaP
  • 21-03-2017


BD is a angle bisector and Angle bisector theorem says
ratio of other sides of the triangle formed by bisector is equal
BA/AD=BC/CD
lets say AD is x so DC will be 4-x
3/x=4.5/4-x
x=1.6
AD=1.6units
so DC=4-x=4-1.6= 2.4 units

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