Class 8 Math MCQs - Chapter 7

Trigonometry and Trigonometry Formulas Multiple Choice Questions (MCQs) PDF Download - 1

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The Trigonometry and trigonometry formulas Multiple Choice Questions (MCQs) with Answers PDF (trigonometry and trigonometry formulas MCQs PDF e-Book) download Ch. 7-1 to study Grade 8 Math Course. Learn Trigonometry and Trigonometry Formulas Quiz Questions and Answers to study online certification courses. The Trigonometry and Trigonometry Formulas MCQs App Download: Free learning app for cosine rule, sine rule and formula test prep for distance learning.

The Multiple Choice Question (MCQ): For the Cosine Rule of any triangle ABC, the b² is equal to; "Trigonometry and Trigonometry Formulas" App Download (Free) with answers: A³ + c³ - 3ab cos A; A² - c² + 2ab cos A; A² + c² - 2ac cos B; A² - c² 4bc cos A; to study online certification courses. Solve Cosine Rule MCQ Questions, download Google eBook (Free Sample) for online certificate courses.

Trigonometry and Trigonometry Formulas MCQs with Answers PDF Download: Quiz 1

MCQ 1:

For the Cosine Rule of any triangle ABC, the b² is equal to

a² - c² + 2ab cos A
a³ + c³ - 3ab cos A
a² + c² - 2ac cos B
a² - c² 4bc cos A

MCQ 2:

For the Cosine Rule of any triangle ABC, the c² is equal to

c² + a² + 2ac cos C
a² + b² - 2ab cos C
a² + b² + 2ab cos A
a² - b² + 2ab sin A

MCQ 3:

In a triangle ABC, if angle A = 72°, angle B = 48° and c = 9 cm then the Ĉ is

69°
66°
60°
63°

MCQ 4:

Considering The Cosine Rule of any triangle ABC, the possible measures of angle A includes

angle A is obtuse
angle A is acute
angle A is right-angle
all of above

MCQ 5:

The sine rule for a triangle states that

a/sin A = b/sin B = c/sin C
sin A/a = sin B/b = sin C/c
a/sin A + b/sin B + c/sin C
2a/sin A = 2b/sin B = 2c/sin C

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