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Posted by on Wednesday, January 11, 2012 at 2:30pm.

What is the measure of x if the measure of angle ABD is represented by 4x, the measure of angle DBC is represented by 3x and the measure of angle ABC is 77 degrees?

  • geometry - , Wednesday, January 11, 2012 at 5:38pm

    assuming that D is between A and C, so that ABD + DBC = ABC, then

    4x + 3x = 77
    x = 11

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