EM-1328
Area of a triangle (½ab sin C)
E Math · Secondary 3 · Medium · Area of a triangle (½ab sin C)
A triangle has sides of length 5 cm and 7 cm with an included angle of . Find its area, correct to 1 decimal place.
- 14.0 cm
- 15.2 cm
- 17.5 cm
- 30.4 cm
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