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Anyone know the answer
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2 votes
Anyone know the answer

Anyone know the answer-example-1
User Freddieptf
by
8.8k points

1 Answer

3 votes

Answer:

129

Explanation:

angle DCE= 180-(12X+15)

12X+15=20X-9

X=3

User Zilongqiu
by
8.3k points
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