Learn trigonometry and trigonometry formulas MCQs, grade 8 math test 6 for online learning courses and test prep, cosine rule multiple choice questions and answers. Cosine rule revision test includes math worksheets to learn for math for 8th graders online free.

Math multiple choice questions (MCQ): considering cosine rule, a² + c² - b²⁄2ac is equal to with choices cos a, cos b, cos d and cos c, cosine rule quiz for online jobs competitive tests preparation for teachers pre-employment screening. Free math study guide to learn cosine rule quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas Quiz PDF Download Worksheets 6

MCQ: Considering Cosine rule, 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 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 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: Number of dimensions a point can have is

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

D

MCQ: Flat surface like blackboard is classified as

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

D