Question 13 — IGCSE 0580 May/June 2025 Paper 23
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Geometry · Angles using geometrical properties. Worth 4 marks.
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Question text
13
F
A
60°
35°
NOT TO
SCALE
E
D B
C
A, B, C and D are points on a circle.
EF is a tangent to the circle at A.
AB is parallel to DC.
(a) Find angle DCB, giving a geometrical reason.
Angle DCB = ........................ because ...................................................................................
.................................................................................................................................................. [2]
(b) Find angle DBC.
Angle DBC = ................................................ [2]
M
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRA
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