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OpenStudy (anonymous):
Which set of numbers could represent the lengths of the sides of a right triangle? Answer 3, 6, 9 4, 8, 12 3, 4, 5 3, 5, 8
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OpenStudy (anonymous):
right angle triangle means one angle of 90 degree or follow the Pythagoras theorm so use law of cosine to solve.
OpenStudy (anonymous):
im still really confused
OpenStudy (anonymous):
3,4,5 are the sides of triangle
OpenStudy (anonymous):
@best.shakir why do you post answers only?
OpenStudy (anonymous):
3x+4x+5x=180 12x=180 x=180/12=15
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OpenStudy (anonymous):
3*15+4*15+5*15=180
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