Class 8 Math MCQs - Chapter 7
Trigonometry and Trigonometry Formulas Trivia Questions and Answers PDF - 4
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Free Trigonometry and trigonometry formulas Trivia Questions and Answers, trigonometry and trigonometry formulas Quiz Answers PDF Download, Book Ch. 7-4 to learn class 8 math online courses. Solve Area of Triangle MCQ PDF, trigonometry and trigonometry formulas quiz questions and answers to learn online certification courses. The Trigonometry and Trigonometry Formulas Trivia App Download: Free certification app for area of triangle, sine rule and formula, trigonometrical ratios test prep for online school courses.
The Trivia Quiz: If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of Δ ABC is; "Trigonometry and Trigonometry Formulas" App APK Download (Free) with answers 83.01 cm², 72.01 cm², 52.03 cm² and 65.01 cm² to learn online certification courses. Practice area of triangle quiz questions, download Kindle eBook (Free Sample) for online education.
Trigonometry and Trigonometry Formulas Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of Δ ABC is
- 72.01 cm²
- 83.01 cm²
- 52.03 cm²
- 65.01 cm²
MCQ 17: In the triangle ABC, if angle B = 60°, b = 11 cm and c = 8.7 cm then angle A and length of 'a' is
- 52°
- 43.23°
- 46°
- 49°
MCQ 18: By expressing the cos 82° in terms of trigonometrical ratios, the answer will be
- − cos 89° = -0.2319
- − cos 29° = -0.8746
- − cos 38° = -0.7880
- − cos 98° = -0.1392
MCQ 19: For any acute angle, cosine A is equal to
- −cos (180° - A)
- cos (180° - A)
- −cos (180° + A)
- cos (180° + A)
MCQ 20: If cos 55° and sin 55° = 0.8 each then the answer of 3 cos 125° + 5 sin 125° is
- 1.6
- 2.5
- 2.3
- 0.6
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