Please help and explain

asked Oct 22, 2020 224k views

5 votes

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1 vote

Answer:

∠ABD=150°

Explanation:

6c+12+51-c=178

5c=178-12-51

5c=178-63=115

c=115÷5=23

∠ABD=6c+12=6×23+12=138+12=150°

Ramy answered Oct 26, 2020

by Ramy

5.7k points

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