Class 8 Online Courses

Chapter 7: Class 8 Math Exam Tests

Class 8 Math MCQs - Chapter 7

Trigonometry and Trigonometry Formulas Quiz Questions and Answers PDF - 7

The e-Book Trigonometry and trigonometry formulas Quiz Questions and Answers, trigonometry and trigonometry formulas Quiz Answers PDF, test 7 to study online class 8 math certificate courses. Download Trigonometrical Ratios MCQs PDF, trigonometry and trigonometry formulas quiz questions and answers to learn online certification courses. The Trigonometry and Trigonometry Formulas Quiz App Download: Free learning app for trigonometrical ratios, area of triangle, cosine rule test prep for virtual elementary school.

The Quiz: Considering 0° < x < 180°, the angle of sin x = 0.2385 is; "Trigonometry and Trigonometry Formulas" App Download iOS & Android (Free) with answers 18.02°, 165.02°, 21°, 170.32°, 14°, 150° and 13.80°, 166.20° to learn online certification courses. Study trigonometrical ratios quiz questions, download Amazon eBook (Free Sample) for virtual elementary school.

Trigonometry and Trigonometry Formulas Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: Considering 0° < x < 180°, the angle of sin x = 0.2385 is

A) 21°, 170.32°
B) 18.02°, 165.02°
C) 14°, 150°
D) 13.80°, 166.20°

MCQ 32: The formula for the area of a triangle ABC is

A) 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
B) 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
C) 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
D) 2ab sin C = 2bc sin A = 2ac sin B

MCQ 33: 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

A) 3.06 cm
B) 6.05 cm
C) 4.06 cm
D) 5.06 cm

MCQ 34: Considering the Cosine rule, the cos C is equal to

A) a² - b² - c²⁄2bc
B) 2a² + 2b² + 2c²⁄2abc
C) a² + b² - c²⁄2ab
D) 2a + 2b - 2c⁄2ac

MCQ 35: If cos 55° and sin 55° = 0.8 each then the answer of cos 125° + 5 sin 55° is

A) 2.4
B) 2.8
C) 3.2
D) 0.8

Trigonometry and Trigonometry Formulas Learning App & Free Study Apps

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Trigonometry and Trigonometry Formulas App (Android & iOS)

Trigonometry and Trigonometry Formulas App (Android & iOS)

8th Grade Math App (Android & iOS)

8th Grade Math App (Android & iOS)

7th Grade Math App (Android & iOS)

7th Grade Math App (Android & iOS)

6th Grade Math App (Android & iOS)

6th Grade Math App (Android & iOS)