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Mathematics
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

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

OpenStudy (anonymous):

alright ! thanks (:

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