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Mathematics 7 Online
OpenStudy (cloverracer):

Geometry help. Please see attachment

OpenStudy (xapproachesinfinity):

well just check if the a sum of two side doesn't exceed the length of one the fisrt one for example do 16+19=35 which is equal to the other side so yes

OpenStudy (xapproachesinfinity):

the second 30+34=64 so no

OpenStudy (cloverracer):

I understood how to do that. I just didn't know if it was a triangle or not :/ How do you know if it is not a triangle?

OpenStudy (xapproachesinfinity):

so the second be yes

OpenStudy (xapproachesinfinity):

sorry*

OpenStudy (cloverracer):

How do you know if it is a triangle or not?

OpenStudy (xapproachesinfinity):

in a triangle we sum of two side is always bigger or equal to one side

OpenStudy (xapproachesinfinity):

that's what i'm doing don't you pay attention i said the first two are yes

OpenStudy (cloverracer):

Okay so for example if it is like 8 = 35 this is considered not a triangle?

OpenStudy (xapproachesinfinity):

if you have one side larger than the sum of two that means it cannot be a triangle

OpenStudy (xapproachesinfinity):

yes

OpenStudy (cloverracer):

1. Yes 2. No so far correct?

OpenStudy (xapproachesinfinity):

the internet is slow somehow i can't see your reply

OpenStudy (xapproachesinfinity):

the second is yes! 30+34=64 bigger that 58

OpenStudy (cloverracer):

I know I have to refresh every 5 seconds :/ So 1 Is yes and 2 Is no?

OpenStudy (xapproachesinfinity):

just compare the sum with one side that's all

OpenStudy (xapproachesinfinity):

the third would be no since 2+27=29<31 so no triangle could be constructed

OpenStudy (xapproachesinfinity):

I said second is yes! are you paying attention

OpenStudy (cloverracer):

nevermind, I figured out the rest of the questions myself.. it was correct. I am glad I paid attention

OpenStudy (anonymous):

xapproachesinfinity I gave you a metal because, i dont see why CloverRacer didn't, but becasue i think you helped him good enough

OpenStudy (anonymous):

The triangle inequality theorem states the sum of the lengths of any two sides has to be greater than the length of the third side. If the lengths of two sides are equal to the length of the third side, it is NOT a triangle.

OpenStudy (xapproachesinfinity):

i believe that the triangle inequality state the sum of two side is greater that or equal to the length of one side to be precise \(Z\leq X+Y\)

OpenStudy (anonymous):

Then what you believe is incorrect. If the length of two sides are equal to the third side, you get a straight line. http://www.mathopenref.com/triangleinequality.html

OpenStudy (anonymous):

A straight line or the sides will just not connect. Either way there is no triangle. http://www.geogebratube.org/student/m113411

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