3 years ago

It's worth 4 marks and 2 OCW

1 answer:

5 0

Since these angles clearly form a circle and a circle is 360 degrees,
120-x+2x+16+3x-72=64+4x=360. Subtracting 64 from both sides, we get
4x=296 and by dividing both sides by 4 we get x=74

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