If you can help with the explanation I will mark brainpower
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Answer:
It is 90º
Step-by-step explanation:
Looking at the picture, we realize that the angle direcly beside it, EGD, is 90º. Now, both angles form a straight line, which equals 180º. 180-90= 90º.
Answer: A 40 B 50 C 90 D 130
where they go: B goes under A, D goes under the whole thing, just like E (although that doesn't want to be answered) and C goes under B
hope this helped