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G22 The sine and cosine rules
Question 1 · 7 marks
Spec and skills
Paper scope: Papers 2/3: calculator practice
Spec G22
Spec G15
Original practice question
Answer and supported method checks
A ship sails 12 km from port
A
A
A
on a bearing of
050
∘
050^\circ
05
0
∘
to
B
B
B
.
It then sails 8 km on a bearing of
170
∘
170^\circ
17
0
∘
to
C
C
C
.
(a)
Work out the distance
A
C
AC
A
C
.
Give your answer correct to 3 significant figures.
4 marks
km