Question 4 — IGCSE 0580 Oct/Nov 2023 Paper 43
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Geometry · Geometrical terms and vocabulary. Worth 7 marks.
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Question text
4 (a) Find the size of one interior angle of a regular 10-sided polygon.
................................................. [2]
(b)
A
B NOT TO
x°
SCALE
w°
75° C
z°
E y°
25°
2200°°
F D G
The points A, B, C, D and E lie on a circle.
FG is a tangent to the circle at D.
EB is parallel to DC.
Find the value of each of w, x, y and z.
w = ................................................
x = ................................................
y = ................................................
z = ................................................ [5]
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