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Mathematics 40 Online
OpenStudy (anonymous):

Could this below equation form a right triangle: a). 8cm,11cm,19cm b).7cm,√(76)cm,15cm

OpenStudy (mattfeury):

doesn't seem so. not if these are side lengths. for it to be a right triangle, the pythagorean theorem must hold true. it is: \[a^2 + b^2 = c^2\]where c is the hypotenuse (the longest side) plugging in values for these two triangles indicates this equation does not hold true, therefore they are not right. THEY ARE WRONG.

OpenStudy (anonymous):

both of them are wrong?

OpenStudy (anonymous):

Yes both of them

OpenStudy (anonymous):

Thanks so much :)

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