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OpenStudy (anonymous):
which set of numbers could represent the lengths of the sides of a triangle? a. 9,12,21 b. 8,12,24 c. 8,12,18 d. 9,12,15
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OpenStudy (btaylor):
a couldn't, because 9 + 12 isn't greater than 21. b couldn't, because 8 + 12 isn't greater than 24 both c and d could, because a+b>c and b+c>a and a+c>b
OpenStudy (anonymous):
so can you help me solve it?
OpenStudy (anonymous):
is that from pre-Algebra
OpenStudy (anonymous):
algebra 1B i believe
OpenStudy (btaylor):
the answer is both C and D. If it is multiple choice, are you sure you didn't post it incorrectly?
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OpenStudy (anonymous):
Im sure
OpenStudy (btaylor):
is it asking for a right triangle? Because then D. would be the answer.
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