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34kurt
3 years ago
11

Geometry help? Find the values of the variable I know it would be 115.5 but how do I get that answer

Mathematics
1 answer:
dybincka [34]3 years ago
4 0
Subtract 128.5 from 180 degrees and you get 51.5. Then add 51.5 plus 13, you get 64.5. Subtract 64.5 from 180 and you get 115.5. A triangle's angles all added together equals 180. 
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