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

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

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Learn Trigonometry and trigonometry formulas Notes Questions and Answers PDF (Trigonometry and Trigonometry Formulas Quiz Answers PDF e-Book) download Ch. 7-4 to study Class 8 Math Course. Practice Area of Triangle MCQ PDF, Trigonometry and Trigonometry Formulas Quiz Questions and Answers to learn online certification courses. Free Trigonometry and Trigonometry Formulas App Download: Class 8 Math Notes App to area of triangle, sine rule and formula, trigonometrical ratios test prep for online school courses.

The "Trigonometry and Trigonometry Formulas" App with MCQ: If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of &Delta ABC is; with answers: 83.01 cm², 72.01 cm², 52.03 cm², and 65.01 cm² to learn online certification courses. Practice Area of Triangle MCQ Questions, download Kobo e-Book (Free Chapter) for online education.

Trigonometry and Trigonometry Formulas MCQs – Practice Test 4 PDF Download

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

Indices and Standard Form MCQs
Coordinate Geometry MCQs
Trigonometric Ratios MCQs
Math Applications MCQs
Mensuration Arc Length, Sector Area and Radian Measure MCQs
Linear Inequalities MCQs
Trigonometry and Trigonometry Formulas MCQs

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