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HELP!! IGCSE Further Maths Question

HELP!! IGCSE Further Maths Question

Cola_23

Question and solution attached

Don't understand how you get the first part. Where does the angle 120 come from?

Many thanks in advance!

further maths.jpg92.4KB

Reply 1

Above.The.Empyrean

It's divided into three triangles.

As a circle is 360 degrees, it's discriminated into three parts, thus, it's 360/3 = 120 degrees.

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