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OpenStudy (anonymous):
Which three angles would form a triangle ? A. 81, 45, 55 B. 54, 54, 55 C. 90, 34, 55 D. 72, 53, 55
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OpenStudy (zale101):
The sum has to equal to 180, calculate these choices you have above and see if you'll get 180. ok :)
OpenStudy (anonymous):
Thanks
OpenStudy (zale101):
no problem :)
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