Trigonometry and Trigonometry Formulas Multiple Choice Questions 4 PDF Download

Learn trigonometry and trigonometry formulas MCQs, grade 8 online math test 4, area of triangle multiple choice questions and answers. Area of triangle revision test has math worksheets, helping answer key with choices as 83.01 cm², 72.01 cm², 52.03 cm² and 65.01 cm² of multiple choice questions (MCQ) with area of triangle quiz as if a = 16.5 cm, angle b = 52° and c = 10 cm then area of δ abc is for competitive exam prep, viva interview questions. Free math study guide to practice area of triangle quiz to attempt multiple choice questions based test.

MCQs on Trigonometry and Trigonometry Formulas Quiz PDF Download Worksheets 4

MCQ. 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

D

MCQ. 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°

B

MCQ. 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

D

MCQ. 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)

A

MCQ. 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

A