Edexcel Gcse Mathematics (Linear) - Sine And Cosine Rules & Area Of Triangles Page 2
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81.
A
Diagram
NOT
accurately drawn
11.7 m
67°
B
C
28.3 m
AB = 11.7 m.
BC = 28.3 m.
0
Angle ABC = 67
.
(a)
Calculate the area of the triangle ABC.
Give your answer correct to 3 significant figures.
…………………………. m 2
(2)
(b) Calculate the length of AC.
Give your answer correct to 3 significant figures.
…………………………. m
(3)
(Total 5 marks)
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