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D is on side AB of triangle ABC. We know triangle ABC ~ triangle ACD and angle A = 48 degrees. If BC = BD, what is angle B in degrees?

 Sep 29, 2021
 #2
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∠B = 180 - 2x

∠y = 180 - x

(180 - 2x) + (180 - x) + 48 = 180

x = 76

∠B = 28º

 Sep 30, 2021

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