The Cosine Rule

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Question 35

A triangle ABC with side AB = 19.7 m and side AC = 15.4 m.

A triangle with vertices labeled $A$ , $B$ , and $C$ . The side $AB\,$ is labeled 19.7 m, and the side $AC\,$ is labeled 15.4 m. The area of the triangle is 100 m².

Calculate the perimeter of triangle $A B C$ .
Give your answer to 3 significant figures.

[5]

The Cosine Rule

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Question 35

A triangle ABC with side AB = 19.7 m and side AC = 15.4 m.

A triangle with vertices labeled $A$ , $B$ , and $C$ . The side $AB\,$ is labeled 19.7 m, and the side $AC\,$ is labeled 15.4 m. The area of the triangle is 100 m².

Calculate the perimeter of triangle $A B C$ .
Give your answer to 3 significant figures.

[5]

The Cosine Rule

Question 35

Markscheme

The Cosine Rule

Question 35

Markscheme

The Cosine Rule

Question 35

The Cosine Rule Questions

The Cosine Rule

Question 35

The Cosine Rule Questions