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

asked Feb 27, 2018 195k views

2 votes

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2 votes

b, because triangles add up to 180

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

Imagine answered Feb 28, 2018

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4 votes

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

Brynjar answered Mar 5, 2018

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