EM-1390

Area of a triangle (½ab sin C)

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

1. $31.0\text{ cm}^2$
2. $54.0\text{ cm}^2$
3. $47.0\text{ cm}^2$
4. $18.0\text{ cm}^2$

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