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29-06-2018
Mathematics

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Given that angle a= 168 work out x

REALLY NEED HELP 21P !!

Given that angle a 168 work out x REALLY NEED HELP 21P class=

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choixongdong choixongdong

29-06-2018

one angle = 90°
the other 3 angles = 360 - 90 = 270

so
x + 2x + a = 270 but a = 168
3x + 168 = 270
3x = 102
x = 102/3
x = 34

answer
x = 34

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