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1 Pure Mathematics

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Question 715

In triangle ABCABCABC, side AB AB\,AB has length 15 cm, side AC AC\,AC has length 12 cm and angle BAC=60°BAC = 60°BAC=60°.

a.

Find the length of side BCBCBC, giving your answer to 3 significant figures.

[3]
b.

Using the included-angle area formula, calculate the area of triangle ABC ABC\,ABC to 3 significant figures.

[2]
Markscheme

1 Pure Mathematics Questions

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