In the triangle ABC, AB = 14 cm, BC = 12 cm and CA = 15 cm.

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a. Find the size of angle C, giving your answer to 3 s.f.

b. Find the area of triangle ABC, giving your answer in cm2 to 3 s.f.

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 15, 2023 02:54 AM

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In the triangle ABC, AB = 14 cm, BC = 12 cm and CA = 15 cm.

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To find the size of angle C in triangle ABC we can use the Law of Cosines The Law of Cosines states ...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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