Trigonometry and Trigonometry Formulas Notes App | Class 8 Math Notes e-Book PDF Download | 4
Class 8 Math MCQs (Grade 8) From Textbook

Class 8 Math Exam MCQs – Practice Test 4 (Chapter 7)

Trigonometry and Trigonometry Formulas Notes Questions with Answers PDF – Test 4

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Study Trigonometry and trigonometry formulas Notes Questions and Answers PDF for math educational excellence programs. Download the Trigonometry and Trigonometry Formulas Quiz Answers PDF e-Book, Ch. 7-4 to study Class 8 Math Course. Practice Area of Triangle MCQ PDF, Trigonometry and Trigonometry Formulas Quiz Questions and Answers for math educational excellence programs. Download the Trigonometry and Trigonometry Formulas Notes App: Free Class 8 Math Notes App to area of triangle, sine rule and formula, trigonometrical ratios test prep for math virtual arithmetic practice.

The "Trigonometry and Trigonometry Formulas Notes" App Download: In the triangle ABC, if angle B = 60°, b = 11 cm and c = 8.7 cm then angle A and length of 'a' is; MCQ with answers: 43.23°, 52°, 46°, and 49°. Practice Area of Triangle MCQ Questions, download Kobo e-Book (Free Chapter) to access math academic mentoring.

Trigonometry and Trigonometry Formulas Notes Q&A PDF Download – Practice Test 4

MCQ 16: If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of Δ ABC is:

  1. 72.01 cm²
  2. 83.01 cm²
  3. 52.03 cm²
  4. 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:

  1. 52°
  2. 43.23°
  3. 46°
  4. 49°

MCQ 18: By expressing the cos 82° in terms of trigonometrical ratios, the answer will be:

  1. − cos 89° = -0.2319
  2. − cos 29° = -0.8746
  3. − cos 38° = -0.7880
  4. − cos 98° = -0.1392

MCQ 19: For any acute angle, cosine A is equal to:

  1. −cos (180° - A)
  2. cos (180° - A)
  3. −cos (180° + A)
  4. 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. 1.6
  2. 2.5
  3. 2.3
  4. 0.6

Trigonometry and Trigonometry Formulas Exam Prep – Class 8 Math Notes App & e-Book

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