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Q13: Answers – Paper 2 – June 2018
Q13: Answers – Paper 2 – June 2018
Helpful Links
There are few different circle theorems that can be used to answer this question. Therefore, here is a link to the whole circle theorem section.
Mark Scheme
Working
A, B, C and D are points on the circumference of a circle, centre O.
FDE is a tangent to the circle.
a) Show that y – x = 90
You must give a reason for each stage of your working.
A, B, C and D are points on the circumference of a circle, centre O.
FDE is a tangent to the circle.
a) Show that y – x = 90
You must give a reason for each stage of your working.
There is no working for part b!
Question
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13)
13)
A, B, C and D are points on the circumference of a circle, centre O.
FDE is a tangent to the circle.
a) Show that y – x = 90
You must give a reason for each stage of your working.
FDE is a tangent to the circle.
a) Show that y – x = 90
You must give a reason for each stage of your working.
[3 marks]
Dylan was asked to give some possible values for x and y.
He said,
“y could be 200 and x could be 110, because 200 – 110 = 90”
b) Is Dylan correct?
You must give a reason for your answer
[1 mark]