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Agata [3.3K]
3 years ago
5

Help me please only1,2and 4

Mathematics
1 answer:
saul85 [17]3 years ago
5 0
No. 4:
Because the line BD bisects angle ABC, that means that both sides have the same angle.
So 6x=9x-27
-9x+6x=-27
-3x=-27
x=9

Now, you have to replace x in your angles.
So angle ABD is 54 degrees
6(9)=54

And
Angles DBC is 54 degrees too
9(9)-27
81-27=54
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