Multiple Choice Questions and Answers on Trigonometry and Trigonometry Formulas Quiz 6 Download PDF

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"Considering the Cosine rule, the a² + c² - b²⁄2ac is equal to" Multiple Choice Questions (MCQ) on trigonometry and trigonometry formulas with choices cos a, cos b, cos d, and cos c for distance learning. Free math study guide for online learning three dimensional problems quiz questions for elementary school graduation certificate.

Trigonometry and Trigonometry Formulas MCQs Quiz 6 Download PDF

MCQ: Considering the Cosine rule, the a² + c² - b²⁄2ac is equal to

  1. cos B
  2. cos A
  3. cos D
  4. cos C

A

MCQ: In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then the lengths of a and b are

  1. a = 9.88 cm, b = 7.72 cm
  2. a = 10.32 cm, b = 8.23 cm
  3. a = 11.35 cm, b = 6.82 cm
  4. a = 8.96 cm, b = 6.85 cm

A

MCQ: In the triangle ABC, if angle A = 89°, b = 13.5 cm and a = 17 cm then angle B is

  1. 68°
  2. 62°
  3. 58°
  4. 52.6°

D

MCQ: The number of dimensions a point can have is

  1. zero
  2. infinite
  3. one
  4. negative

D

MCQ: The flat surface like the blackboard is classified as

  1. vertex plane
  2. triangular plane
  3. trigonometrical plane
  4. plane

D