# Cosine Rule MCQs Quiz Worksheet PDF Download

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Study elementary school courses, online math degree programs MCQs: for cosine rule of any triangle abc, b² is equal to, for online courses with choices a² - c² + 2ab cos a, a³ + c³ - 3ab cos a, a² + c² - 2ac cos b, and a² - c² 4bc cos a with online eBooks download for problem-solving skills for middle school and high school students. Free math student portal for online learning cosine rule quiz questions, MCQs to find questions answers based online learning tests.

## MCQs on Cosine Rule Quiz PDF Download

MCQ: For Cosine Rule of any triangle ABC, b² is equal to

- a² - c² + 2ab cos A
- a³ + c³ - 3ab cos A
- a² + c² - 2ac cos B
- a² - c² 4bc cos A

C

MCQ: For Cosine Rule of any triangle ABC, 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

MCQ: Considering Cosine Rule of any triangle ABC, possible measures of angle A includes

- angle A is obtuse
- angle A is acute
- angle A is right-angle
- all of above

D

MCQ: For Cosine Rule of any triangle ABC, a² is equal to

- b² + c² - 2bc cos A
- b² + a² - 2ac cos A
- b³ + c³ - 2bc cos B
- b² - c² + 3bc cos C

A

MCQ: Cosine Rule is also known as

- Sine triangle
- Cosine Formula
- Cosine Triangle
- Cosine Area

B