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Mathematics 8 Online
OpenStudy (anonymous):

Which set of three segments can form a triangle? 32, 25, 57 55, 67, 13 19, 45, 68 22, 19, 41

OpenStudy (anonymous):

@llkramer can you help

OpenStudy (anonymous):

well do you know what degree makes up a triagle?

OpenStudy (anonymous):

im confused

OpenStudy (anonymous):

No can you explain pelase

OpenStudy (anonymous):

WAIT

OpenStudy (anonymous):

180?

OpenStudy (anonymous):

Is it?

OpenStudy (perl):

you can use triangle inequality theorem

OpenStudy (anonymous):

its 55 67 13

OpenStudy (perl):

the sum of any two sides has to be greater than the third side

OpenStudy (anonymous):

Oh ok thank you i wish i could give to medals

OpenStudy (perl):

do you see why 19, 45, 68 22, 19, 41 do not work?

OpenStudy (anonymous):

bc 2 sides cant be greater then one side

OpenStudy (anonymous):

Yes I do but can you help me with this is this a vertical angle?|dw:1381928929172:dw|

OpenStudy (anonymous):

A and B

OpenStudy (perl):

because the sum of any two sides must be greater than the third side. so 22+19 = 41 , and 41 is not greater than 41

OpenStudy (perl):

19+45 = 64 < 68

OpenStudy (anonymous):

Ohh ok

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