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PLEASE HELP FAST! my problem is in the photo.
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4 votes
PLEASE HELP FAST! my problem is in the photo.

PLEASE HELP FAST! my problem is in the photo.-example-1
User Dragomirik
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4.6k points

1 Answer

5 votes
[c] 70°

40+2x=180
2x=140
x=70

i use 2x since the angle measures of D and C are equivalent since it is an isosceles
User Jose Manuel
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