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USA - Geometry Right triangles and trigonometry

Area of a triangle: A = ½ ab sin C

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Questions
Question 1
181901
The area of a triangle with sides \(a\) and \(b\) and included angle \(C\) is:
A.
\(\dfrac{1}{2}ab\sin C\)
B.
\(\dfrac{1}{2}ab\cos C\)
C.
\(ab\sin C\)
D.
\(\dfrac{1}{2}ab\)
\(\dfrac{1}{2}ab\sin C\)

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