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Higher maths unit 2 hw help please

Could you please help me guys with Q.18 only? I'm really stuck.....:confused:
What have you managed to do so far?
I only figured out that a must be true since all the angles add up to 180. But I'm not sure if that's right....
only figured out that a must be true since all the angles add up to 180. But I'm not sure if that's right...
Reply 4
this question from a similar thread in Scottish Qualifications is VERY similar - it may help


http://www.thestudentroom.co.uk/showthread.php?p=50911363&highlight=pqs is isosceles
(edited 9 years ago)

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