EM-3041
Cosine rule
E Math · Secondary 4 · Medium · Cosine rule
In a park, points A, B and C lie on level ground. AB = 160 m, AC = 210 m and .
Using the cosine rule, find the distance BC, correct to the nearest metre.
Using the cosine rule, find the distance BC, correct to the nearest metre.
- 322 m
- 50 m
- 262 m
- 370 m
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