Question: 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.

A triangular lawn ABC is shown in figure 3:


A B Figure 3 Diagram not to scale C


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.

A B Figure 3 Diagram not to scale C

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