Segment BD and AE intersect at C, as shown, AB = BC = CD = DE, and angle A = 3 angle B. What is the degree measure of angle D?
Angle D = 51.42857143 degrees
Angle D = 1/2(180 - 3*∠B)
∠B = 1/7(180)
(Read from the bottom up )
+1694 
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