AreaMediumQuestion 200035
Question
The area of triangle ABC using the sine formula is:
- A(1/2) bc cos A
- B(1/2) bc sin ACorrect
- Cbc sin A
- Da² sin B sin C / sin A
Correct answer
(1/2) bc sin A
Explanation
Area = (1/2) × base × height = (1/2) bc sin A. This requires two sides and the included angle.