ileen44284 ileen44284

22-03-2018
Mathematics

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PLS HELP !!! x - 4 , 100 degrees , 3x ( the degrees in the triangle ) * the triangle is 180 degrees in total * what is the value of x

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iikatii90 iikatii90

22-03-2018

set that all equal to 180:
100+x-4+3x=180
x-4+3x=80
4x=84
x=21
mark brainliest pls!

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