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OpenStudy (anonymous):
Pythagorean theorem question! A=? B=13 c=21
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OpenStudy (anonymous):
a^2+b^2 = c^2 a^2 + 13^2 = 21^2 a^2 + 169 = 441 So 441 - 169 = 272 272 = a^2
OpenStudy (anonymous):
Thank youu
OpenStudy (anonymous):
your welcome : )
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