Question 24 — IGCSE 0580 Oct/Nov 2025 Paper 12
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Geometry · Angles using geometrical properties. Worth 1 mark.
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Question text
24
NOT TO
SCALE
A
O 36°
B
C
B is a point on the circle, centre O.
ABC is a tangent to the circle at B and angle OAB = 36°.
Work out the size of angle AOB.
Angle AOB = ................................................ [1]
M
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
T
Mark scheme
