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: Grade 8 Math Learning App [Free] 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°, and 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

21°, 170.32°
18.02°, 165.02°
14°, 150°
13.80°, 166.20°

MCQ: 32

The formula for the area of a triangle ABC is

1/2ab sin C + 1/2bc sin A + 1/2ac sin B
1/2ab sin C = 1/2bc sin A = 1/2ac sin B
3/2ab sin C = 3/2bc sin A = 3/2ac sin B
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

3.06 cm
6.05 cm
4.06 cm
5.06 cm

MCQ: 34

Considering the Cosine rule, the cos C is equal to

a² - b² - c²⁄2bc
2a² + 2b² + 2c²⁄2abc
a² + b² - c²⁄2ab
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

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