yomamaisfat1519
yomamaisfat1519 yomamaisfat1519
  • 01-02-2018
  • Mathematics
contestada

This figure shows △ABC . BD¯¯¯¯¯ is the angle bisector of ∠ABC .

What is AD ?

Enter your answer, as a decimal, in the box.


units

This figure shows ABC BD is the angle bisector of ABC What is AD Enter your answer as a decimal in the box units class=

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choixongdong
choixongdong choixongdong
  • 01-02-2018
AD/ 4.5 = 4/5
AD = 4(4.5) / 5
AD = 3.6


answer
AD = 3.6
Answer Link
Kristiania Kristiania
  • 19-08-2018

Here BD is the angle bisector , so we have

∠ABD =∠CBD

now comparing the ratios , we have

[tex] \frac{AD}{4.5} = \frac{4}{5} [/tex]

Now we can multiply 4.5 on the right hand side , to get the value of AD,

[tex] AD = \frac{4}{5} * 4.5 [/tex]

So this gives AD =3.6

Answer Link

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