Class 8 Subjects

# Cosine Rule MCQ with Answers PDF

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"For the Cosine Rule of any triangle ABC, the b² is equal to" Multiple Choice Questions (MCQ) on cosine rule with choices a² - c² + 2ab cos a, a³ + c³ - 3ab cos a, a² + c² - 2ac cos b, and a² - c² 4bc cos a for free online courses. Learn trigonometry and trigonometry formulas quiz questions for online certificate programs for online certificate courses.

## MCQs on Cosine Rule

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

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

MCQ: 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

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

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

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

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

MCQ: The Cosine Rule is also known as

Sine triangle
Cosine Formula
Cosine Triangle
Cosine Area