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OpenStudy (anonymous):
Prove the conjecture: No triangle has two right angles. How do I solve this?
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OpenStudy (anonymous):
I need help ASAP!
OpenStudy (kirbykirby):
Here's an idea... you know that the sum of interior angles of a triangle is 180. If two angles are right, then you already have 90+90 = 180 degrees. What happens to the 3rd angle? just equals 0? nope!
OpenStudy (anonymous):
That makes sense! Thanks a lot..
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