EM-1381

Area of a triangle (½ab sin C)

E Math · Secondary 3 · Medium · Area of a triangle (½ab sin C)

1. $21.9\text{ cm}^2$
2. $27.3\text{ cm}^2$
3. $31.5\text{ cm}^2$
4. $54.6\text{ cm}^2$

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