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Questions and Video Solutions for C2 Edexcel Core Mathematics January 2010
Edexcel Core Mathematics C2 January 2010 Past Paper
An emblem, as shown in Figure 1, consists of a triangle ABC joined to a sector CBD of a circle with radius 4 cm and centre B. The points A, B and D lie on a straight line with AB = 5 cm and BD = 4 cm. Angle BAC = 0.6 radians and AC is the longest side of the triangle ABC.
(a) Show that angle ABC = 1.76 radians, correct to 3 significant figures.
(b) Find the area of the emblem.
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