Trigonometry and Trigonometry Formulas Multiple Choice Questions Test 4 pdf Download

Practice math quiz 4 on trigonometry and trigonometry formulas MCQs, grade 8 area of triangle multiple choice questions. Free area of triangle guide has math worksheet with answering options 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 exam prep. Study to learn area of triangle quiz to attempt multiple choice questions based test.

MCQs on Trigonometry and Trigonometry Formulas - Quiz 4

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

  1. 72.01 cm2
  2. 83.01 cm2
  3. 52.03 cm2
  4. 65.01 cm2

D

MCQ. In 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 cos 82° in terms of trigonometrical ratios, 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 answer of 3 cos 125° + 5 sin 125° is

  1. 1.6
  2. 2.5
  3. 2.3
  4. 0.6

A