Asked by shelby

c. Given angle ABC has angle bisector BD, where AB = CB, find the value of x if AD = 5x + 10 and DC = 28 - x.

Do I just set them equal to each other ?
Answered by Damon
yes,
ABC is equilateral
angles at D are right angles
so ABD = CBD
CDB is congruent to ADB
AD = DC
Answered by Damon
I mean isoceles
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