Back to Edexcel Maths Foundation June 2018 Paper 2 Home
​Q15: Question – Paper 2 – June 2018
​Helpful Links
Question
Click here for a printable PDF of this question.
15) 
Mary needs to work out the size of angle x in this diagram. 
She writes
x = 63° because base angles of an isosceles triangle are equal. 

Mary is wrong.
​a) Explain why. 
[1 mark]

​William needs to work out the size of angle y in this diagram.
William writes
One of William’s reasons is wrong.
​b) Write down the correct reason.
[1 mark]