Chapter 7: Class 8 Math Exam Tests

Class 8 Math MCQs - Chapter 7

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The Multiple Choice Question (MCQ Quiz) *Considering the Cosine rule, the b² + c² - a²⁄2bc is equal to*: cos c, cos d, cos b and cos a with "Trigonometry and Trigonometry Formulas" App Download (Free) for taking online classes. Solve cosine rule quiz questions, download Google eBook (Free Sample) for distance learning.

**MCQ 21**: Considering the Cosine rule, the b² + c² - a²⁄2bc is equal to

A) cos D

B) cos C

C) cos B

D) cos A

d

**MCQ 22**: If the sine is 0.2586 then the value of acute angle is

A) 14.99°

B) 16°

C) 18°

D) 17.98°

a

**MCQ 23**: The dimensions of solid includes

A) length

B) breadth

C) height

D) all of above

d

**MCQ 24**: Considering 0° < x < 180°, the angle of cos x = -0.8726 is

A) 167.35°

B) 165.82°

C) 160.72°

D) 150.76°

d

**MCQ 25**: The formula for the area of a triangle is

A) 1/height x base

B) height x base

C) 1/2 x base x height

D) 1/base x height

c

Math Applications MCQs

Linear Inequalities MCQs

Trigonometric Ratios MCQs

Indices and Standard Form MCQs

Trigonometry and Trigonometry Formulas MCQs

Mensuration Arc Length, Sector Area and Radian Measure MCQs

Coordinate Geometry MCQs

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