Trigonometry and trigonometry formulas Multiple Choice Questions (MCQ), trigonometry and trigonometry formulas quiz answers PDF, 8th grade math test 6 for online degree courses. Practice "Three Dimensional Problems" MCQs, trigonometry and trigonometry formulas quiz questions and answers for distance learning. Learn cosine rule, sine rule and formula, three dimensional problems test prep for online education programs.

"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.

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