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5. AC bisects Angle BAD. Find the measure of angle BAC.

6 degrees
15 degrees
30 degrees
60 degrees

5. AC bisects Angle BAD. Find the measure of angle BAC. 6 degrees 15 degrees 30 degrees-example-1

1 Answer

6 votes
if AC bisects < BAD, it means it cuts it into 2 equal parts

so < BAC = < CAD

3x + 12 = 5x
12 = 5x - 3x
12 = 2x
12/2 = x
6 = x

< BAC = 3x + 12.......3(6) + 12 = 30 degrees <===
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