In ABC, AB = 4 cm, BC = (x + 2) cm and AC = 7 cm.

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In △ABC, AB = 4 cm, BC = (x + 2) cm and AC = 7 cm.

a. Explain how you know that 1

b. Work out the value of x and the area of the triangle for the cases wheni. ∠ABC = 60° andii. ∠ABC = 45°, giving your answers to 3 significant figures.

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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 ABC, AB = 4 cm, BC = (x + 2) cm and AC = 7 cm.

Question:

4 cm B 7cm (x + 2) cm >C

Step by Step Answer:

a To determine if ABC is a valid triangle we can use the Triangle Inequality Theorem According to the theorem the sum of the lengths of any two sides ...View the full answer

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

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