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Class 8 Math Study Material: Practice Test 7 (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 Class 8 Math Course. Solve Trigonometrical Ratios MCQs PDF, Trigonometry and Trigonometry Formulas Quiz Questions and Answers to learn online certification courses. The Class 8 Math Quiz App Download: Free Trigonometry and Trigonometry Formulas App to learn 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°, and 13.80°, 166.20° to learn online certification courses. Study Trigonometrical Ratios MCQ Questions, download Google Book (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

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Trigonometry and Trigonometry Formulas Quiz App (iOS & Android)

Trigonometry and Trigonometry Formulas Quiz App

8th Grade Math Quiz App (Android & iOS)

8th Grade Math Quiz App

6th Grade Math Quiz App (Android & iOS)

6th Grade Math Quiz App

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9th Grade Math Quiz App