Class 8 Math MCQs - Chapter 7
Trigonometry and Trigonometry Formulas Quiz Questions and Answers PDF - 7
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The Book Trigonometry and trigonometry formulas Quiz Questions and Answers, trigonometry and trigonometry formulas Quiz PDF Download, Free Ch. 7-7 to study class 8 math online courses. Download 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 Download iOS & Android (Free) with answers 18.02°, 165.02°, 21°, 170.32°, 14°, 150° and 13.80°, 166.20° to learn online certification courses. Study trigonometrical ratios quiz questions, download Amazon eBook (Free Sample) for virtual elementary school.
Trigonometry and Trigonometry Formulas Questions & Answers PDF Download: MCQ Quiz 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
- 2.4
- 2.8
- 3.2
- 0.8
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