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Find the value of x in the photo

Find the value of x in the photo-example-1
User Li Yupeng
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2 Answers

4 votes

Answer:

137°

Explanation:

47° is angle BCD because of opposite interior angles

This makes |(90+47)-180|=X

X=43°

Then exterior angles are interior - 180 = exterior angle

Finally,

180-43=137°

User Enthusiastic Techy
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1 vote
There’s this rule but I can’t seem to remember but angle BCD is equal to angle ABC
User Mcatach
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