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katrin [286]
3 years ago
7

Can someone please help me with this geometry problem?

Mathematics
2 answers:
Anastasy [175]3 years ago
5 0
I don't know that we can help you without more info.
Do you have a photo of the problem that you could upload?
aleksklad [387]3 years ago
4 0

1. ray BF bisects ∠ABC                   1. given

   m∠ABD = m∠CBE              

2. ∠ABF ≅ ∠ CBF                            2. angle bisector theorem

3. m∠ABF = m∠CBF                        3. definition of congruency

4. m∠ABF = m∠ABD + m∠DBF       4. angle addition postulate

  m∠CBF = m∠CBE + m∠EBF

5. m∠ABF = m∠CBE + m∠DBF      5. substitution (s1: m∠ABD = m∠CBE)

6. m∠CBF = m∠CBE + m∠DBF       6. substitution (s3: ∠ABF = ∠ CBF)

7. m∠CBE + m∠DBF = m∠CBE + m∠EBF   7. transitive property

8. m∠DBF =  m∠EBF                        8. subtraction property

 

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3 years ago
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seraphim [82]

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Step-by-step explanation:

Since the x is by itself in the first equation already, we can solve for y in the next equation and substitute for x.

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    <u>-1   -1</u>

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Hope this helps!! I literally just learned this today...have a great day ❤

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~Hope I helped!~




4 0
4 years ago
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