The Cosine Rule

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Question 13

A triangular plot of land has vertices $P$ , $Q$ , and $R$ . The distance from $P\,$ to $Q\,$ is 42 cm and the distance from $P\,$ to $R\,$ is 35 cm. The area of the plot is 600 cm².

Calculate the perimeter of the triangle $P QR$ .
Give your answer to 3 significant figures.

[5]

The Cosine Rule

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Question 13

A triangular plot of land has vertices $P$ , $Q$ , and $R$ . The distance from $P\,$ to $Q\,$ is 42 cm and the distance from $P\,$ to $R\,$ is 35 cm. The area of the plot is 600 cm².

Calculate the perimeter of the triangle $P QR$ .
Give your answer to 3 significant figures.

[5]

The Cosine Rule

Question 13

The Cosine Rule Questions

The Cosine Rule

Question 13

The Cosine Rule Questions