Posted by **Sharon** on Sunday, October 10, 2010 at 7:34pm.

Find m<ABC if line BD is an angle bisector of angle ABC and m<ABC = 4x - 5 degrees and angle b is x + 6 degrees

- geometry -
**Henry**, Sunday, October 10, 2010 at 7:59pm
ABC = 4x - 5 = 2b = 2(x + 6),

4x - 5 = 2(x + 6),

4x - 5 = 2x + 12,

4x - 2x = 12 + 5,

2x = 17,

x = 17/2,

ABC = 4X - 5 = 4*17/2 - 5 = 34 - 5 = 29

deg.

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