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matrenka [14]
3 years ago
13

What’s the answer for #11 @HavannaS? Spent 20 min and clueless, thank you!!!!!!

Mathematics
1 answer:
Elis [28]3 years ago
8 0
Angle 2=3, so angle 1=4 because angles ABC & BCD equal 90°. When you add together the angles of a triangle you get 180 and if you could put angle 1 and 4 together it would look like an upward version.



That is the best way I could describe it. Hope that helps.
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