3 years ago

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

1 answer:

8 0

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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