Class 8 Math e-Book's MCQs - Complete
Cosine Rule Quiz App Download & e-Book PDF - 25
Apps:
MCQ 25:
For the Cosine Rule of any triangle ABC, the c² is equal to
- c² + a² + 2ac cos C
- a² + b² - 2ab cos C
- a² + b² + 2ab cos A
- a² - b² + 2ab sin A
b
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