Trigonometry and Trigonometry Formulas Multiple Choice Questions 7 PDF Download

Practice trigonometry and trigonometry formulas MCQs, grade 8 online math test 7, trigonometrical ratios multiple choice questions and answers. Trigonometrical ratios revision test has math worksheets, helping answer key with choices as 18.02° , 165.02°, 21° , 170.32°, 14° , 150° and 13.80° , 166.20° of multiple choice questions (MCQ) with trigonometrical ratios quiz as considering 0° < x < 180°, angle of sin x = 0.2385 is for competitive exam prep, viva interview questions. Free math study guide to practice trigonometrical ratios quiz to attempt multiple choice questions based test.

MCQs on Trigonometry and Trigonometry Formulas Quiz PDF Download Worksheets 7

MCQ. Considering 0° < x < 180°, the angle of sin x = 0.2385 is

  1. 21° , 170.32°
  2. 18.02° , 165.02°
  3. 14° , 150°
  4. 13.80° , 166.20°

D

MCQ. The formula for the area of a triangle ABC is

  1. 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
  2. 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
  3. 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
  4. 2ab sin C = 2bc sin A = 2ac sin B

B

MCQ. In Δ ABC, angle A = 110° and AC = 2AB. If the area of Δ ABC is 15.5 cm² then the length of AB is

  1. 3.06 cm
  2. 6.05 cm
  3. 4.06 cm
  4. 5.06 cm

C

MCQ. Considering the Cosine rule, the cos C is equal to

  1. a² - b² - c²⁄2bc
  2. 2a² + 2b² + 2c²⁄2abc
  3. a² + b² - c²⁄2ab
  4. 2a + 2b - 2c⁄2ac

C

MCQ. If cos 55° and sin 55° = 0.8 each then the answer of cos 125° + 5 sin 55° is

  1. 2.4
  2. 2.8
  3. 3.2
  4. 0.8

A