emmybear2215
emmybear2215
20-03-2017
Mathematics
contestada
I'm a little stuck xD
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Аноним
Аноним
20-03-2017
There are 180 degrees in a triangle when you add the measures of the angles together. So...
102 + 39 + x = 180
141 + x = 180
x = 39
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ookiku
ookiku
20-03-2017
it's 39 because a triangle adds up to 180. so you can add 39 and 102 and get 141 and subtract that from 180, getting 39. the missing angle
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