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OpenStudy (anonymous):
Is a triangle with sides 2 cm, 7 cm and 8 cm rectangular? how do u know? which calculates did u make? Please help!!
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OpenStudy (ipwnbunnies):
By rectangular, do you mean a right triangle?
OpenStudy (ipwnbunnies):
If so, we know that the longest side of a right triangle is the hypotenuse. We can use Pythagorean Theorem to verify if the side actually has side length 8. c = \[\sqrt{a^2 + b^2}\]
OpenStudy (anonymous):
oh no!!! i translated from swedish to english u are right! thank u!!!
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