EM-3083
Cosine rule
E Math · Secondary 4 · Medium · Cosine rule
In triangle XYZ, sides XY = 9 cm, YZ = 13 cm and angle .
Find the length of XZ, correct to 3 significant figures.
Find the length of XZ, correct to 3 significant figures.
- 9.67 cm
- 7.32 cm
- 11.5 cm
- 15.0 cm
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