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Q20: Question – Paper 1 – June 2019
Q20: Question – Paper 1 – June 2019
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20)
A, B and C are points on a circle. CD is a tangent.
20)
A, B and C are points on a circle. CD is a tangent.
a) Assume that triangle ABC is isosceles with AC = BC
Prove that AB is parallel to DC.
Prove that AB is parallel to DC.
[4 marks]
b) In fact, triangle ABC is equilateral.
Tick the two boxes for the statements that must be correct.
[1 mark]