Chapter 7: Class 8 Math Exam Tests

Class 8 Math MCQs - Chapter 7

The e-Book *Trigonometry and trigonometry formulas Multiple Choice Questions and Answers (MCQs)*, trigonometry and trigonometry formulas MCQ Quiz PDF, test 1 to study online class 8 math certificate courses. Practice Cosine Rule MCQs PDF, trigonometry and trigonometry formulas quiz questions and answers to study online certification courses. The *Trigonometry and Trigonometry Formulas MCQs* App Download: Free learning app for cosine rule, sine rule and formula test prep for distance learning.

The Multiple Choice Question (MCQ Quiz) *For the Cosine Rule of any triangle ABC, the b² is equal to*: a³ + c³ - 3ab cos a, a² - c² + 2ab cos a, a² + c² - 2ac cos b and a² - c² 4bc cos a with "Trigonometry and Trigonometry Formulas" App Download (Free) to study online certification courses. Solve cosine rule quiz questions, download Google eBook (Free Sample) for online certificate courses.

**MCQ 1**: For the Cosine Rule of any triangle ABC, the b² is equal to

A) a² - c² + 2ab cos A

B) a³ + c³ - 3ab cos A

C) a² + c² - 2ac cos B

D) a² - c² 4bc cos A

c

**MCQ 2**: For the Cosine Rule of any triangle ABC, the c² is equal to

A) c² + a² + 2ac cos C

B) a² + b² - 2ab cos C

C) a² + b² + 2ab cos A

D) a² - b² + 2ab sin A

b

**MCQ 3**: In a triangle ABC, if angle A = 72°, angle B = 48° and c = 9 cm then the Ĉ is

A) 69°

B) 66°

C) 60°

D) 63°

c

**MCQ 4**: Considering The Cosine Rule of any triangle ABC, the possible measures of angle A includes

A) angle A is obtuse

B) angle A is acute

C) angle A is right-angle

D) all of above

d

**MCQ 5**: The sine rule for a triangle states that

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

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

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

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

b

Mensuration Arc Length, Sector Area and Radian Measure MCQs

Trigonometric Ratios MCQs

Indices and Standard Form MCQs

Coordinate Geometry MCQs

Linear Inequalities MCQs

Math Applications MCQs

Trigonometry and Trigonometry Formulas MCQs

Download *8th Grade Math MCQ* App to learn Trigonometry and Trigonometry Formulas MCQs, *10th Grade Math Quiz* App, and *7th Grade Math MCQs* App (Android & iOS). The free "Trigonometry and Trigonometry Formulas MCQ" App includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!