Grade 8 Math MCQs

Grade 8 Math MCQ PDF - Chapter

Practice Trigonometry and trigonometry formulas multiple choice questions and answers, trigonometry and trigonometry formulas quiz answers PDF to learn grade 8 math test 1 for online courses. Cosine Rule MCQs, trigonometry and trigonometry formulas quiz questions and answers for free online courses. "Trigonometry and Trigonometry Formulas " Book PDF: cosine rule, sine rule and formula test prep for distance learning.

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

**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

c

**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

b

**MCQ**: In a triangle ABC, if angle A = 72°, angle B = 48° and c = 9 cm then the Ĉ is

69°

66°

60°

63°

c

**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

d

**MCQ**: The sine rule for a triangle states that

a/sin A = b/sin B = c/sin C

sin A/a = sin B/b = sin C/c

a/sin A + b/sin B + c/sin C

2a/sin A = 2b/sin B = 2c/sin C

b

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