lilllake
lilllake
21-05-2017
Mathematics
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Need help understanding
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Аноним
Аноним
22-05-2017
It's 180-(48+42)= X It's a 90 Degree angle
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kristoffer
kristoffer
22-05-2017
The sum of all angles in a triangle should equal 180.
180 - 48 - 42 = 90.
x = 90 degrees.
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