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2 years ago

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

Mathematics

2 answers:

notsponge [240]2 years ago

4 0

Step-by-step explanation:

Statement Reason

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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