It looks so simple but all the other choices are mixing my thoughts up. please help me

Mathematics

2 answers:

Eva8 [605]3 years ago

7 0

It would be C because the 40° is acute and the last degree is obtuse

LenaWriter [7]3 years ago

5 0

B, because triangles add up to 180

40+40+x=180
80+x=180
x=100

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