Class 8 Courses

Chapter 7: Class 8 Math Exam Tests

Class 8 Math MCQs - Chapter 7

Trigonometry and Trigonometry Formulas Quiz Questions & Answers PDF Download - 7

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The Trigonometry and trigonometry formulas Quiz Questions and Answers PDF (trigonometry and trigonometry formulas Quiz PDF e-Book) download Ch. 7-7 to learn Grade 8 Math Course. Solve Trigonometrical Ratios MCQs PDF, Trigonometry and Trigonometry Formulas Quiz Questions and Answers to learn online certification courses. The Trigonometry and Trigonometry Formulas Quiz App Download: Free learning app for trigonometrical ratios, area of triangle, cosine rule test prep for virtual elementary school.

The Quiz: Considering 0° < x < 180°, the angle of sin x = 0.2385 is; "Trigonometry and Trigonometry Formulas" App (iOS, Android) with answers: 18.02°, 165.02°; 21°, 170.32°; 14°, 150°; 13.80°, 166.20°; to learn online certification courses. Study Trigonometrical Ratios MCQ Questions, download Amazon eBook (Free Sample) for virtual elementary school.

Trigonometry and Trigonometry Formulas Exam Questions and Answers PDF Download: Test 7

MCQ 31:

Considering 0° < x < 180°, the angle of sin x = 0.2385 is

  1. 21°, 170.32°
  2. 18.02°, 165.02°
  3. 14°, 150°
  4. 13.80°, 166.20°
MCQ 32:

The formula for the area of a triangle ABC is

  1. 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
  2. 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
  3. 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
  4. 2ab sin C = 2bc sin A = 2ac sin B
MCQ 33:

In Δ ABC, angle A = 110° and AC = 2AB. If the area of Δ ABC is 15.5 cm² then the length of AB is

  1. 3.06 cm
  2. 6.05 cm
  3. 4.06 cm
  4. 5.06 cm
MCQ 34:

Considering the Cosine rule, the cos C is equal to

  1. a² - b² - c²⁄2bc
  2. 2a² + 2b² + 2c²⁄2abc
  3. a² + b² - c²⁄2ab
  4. 2a + 2b - 2c⁄2ac
MCQ 35:

If cos 55° and sin 55° = 0.8 each then the answer of cos 125° + 5 sin 55° is

  1. 2.4
  2. 2.8
  3. 3.2
  4. 0.8

Class 8 Math Mock Tests

Linear Inequalities MCQs
Indices and Standard Form MCQs
Math Applications MCQs
Trigonometry and Trigonometry Formulas MCQs
Trigonometric Ratios MCQs
Mensuration Arc Length, Sector Area and Radian Measure MCQs
Coordinate Geometry MCQs

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