Question 20 — IGCSE 0580 May/June 2023 Paper 13
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Geometry · Angles using geometrical properties. Worth 3 marks.
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Question text
20
C
x° B
NOT TO
SCALE
O
32°
A
The diagram shows a circle, centre O, diameter AB.
A, B and C lie on the circumference of the circle.
(a) Write down the mathematical name of the line AC.
................................................. [1]
(b) Find the value of x.
Give a geometrical reason for your answer.
x = .................... because ............................................................................................................ [2]
Mark scheme
