A triangular lawn ABC is shown in figure 3: Given that AB = 7.5 m, BC =

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A triangular lawn ABC is shown in figure 3:

Given that AB = 7.5 m, BC = 10.6 m and AC = 12.7 m,

a. Find angle BAC. Grass seed costs £1.25 per square metre.

b. Find the cost of seeding the whole lawn.

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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 03:27 AM

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A triangular lawn ABC is shown in figure 3: Given that AB = 7.5 m, BC =

Question:

A B Figure 3 Diagram not to scale C

Step by Step Answer:

To solve this problem we can use the law of cosines to find the angles of the triangle and then use ...View the full answer

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

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