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dmitriy555 [2]
2 years ago
10

I need #8 done (Show work) will mark brainliest

Mathematics
2 answers:
notsponge [240]2 years ago
4 0

Step-by-step explanation:

<u>Statement                                          Reason</u>

BD bisects ∠ABC                              Given

m∠ABD = (3x + 4)°, m∠DBC = 55°    Given

∠ABD ≅ ∠DBC                                  Definition of angle bisector

3x + 4 = 55                                         Definition of congruence

3x = 51                                                Subtraction property

x = 51/3                                               Division property

x = 17                                                   Proved

Fittoniya [83]2 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

Since BD bisects ∠ ABC , then

∠ ABD = ∠ DBC , substitute values

3x + 4 = 55 ( subtract 4 from both sides )

3x = 51 ( divide both sides by 3 )

x = 17

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\huge\boxed{\sf

Step-by-step explanation:

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