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OpenStudy (anonymous):
Tony makes a triangle using three sticks of length 20 inches, 21 inches and 28 inches. The triangle Tony makes is a right triangle. True False
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OpenStudy (anonymous):
hint, use pythagorean theorem
OpenStudy (anonymous):
when a=20 b=21 and c=28, are they equal?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
then its false! 20^2 + 21^2 =/ 28^2
OpenStudy (anonymous):
therefore not a right triangle
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OpenStudy (anonymous):
alright ! thanks (:
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