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Mathematics 9 Online
OpenStudy (anonymous):

(my computer will not let me type out the mathematical symbols, I have a picture that shows what is being asked. Please help!)

OpenStudy (anonymous):

OpenStudy (phi):

it is saying all 3 angles are the same number. call that number x what do we know about 3 angles of a triangle? they add up to 180 so write x+x+x= 180 any idea what x is ? (notice we can simplify that to 3x= 180)

OpenStudy (anonymous):

x=60 ?

OpenStudy (phi):

yes, 60+60+60 = 180 or 3*60= 180

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