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Please help me!!! I am doing this problem in the unit "Classifying Angles and Angle Addition Postulate"

Please help me I am doing this problem in the unit Classifying Angles and Angle Addition Postulate class=

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ferrybukantoro

Answer:

134°

Step-by-step explanation:

since BD bisects L ABC,

x/2 + 17 = x - 33

=> multiply by 2, we find:

x+34=2x-66

x-2x=-66-34

-x = -100

x = 100

m L DBC = x-33 = 100-33 = 67°

so, m L ABC = 2 × m L DBC =

2 × 67° = 134°

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