# Trigonometry and Trigonometry Formulas Multiple Choice Questions Test 7 Tests pdf Download

Practice math test 7 on trigonometry and trigonometry formulas MCQs, grade 8 trigonometrical ratios multiple choice questions and answers. Trigonometrical ratios revision test has math worksheets, answer key with choices as 18.02° , 165.02°, 21° , 170.32°, 14° , 150° and 13.80° , 166.20° of multiple choice questions (MCQ) with trigonometrical ratios quiz as considering 0° < x < 180°, angle of sin x = 0.2385 is for competitive exam prep. Free math study guide to learn trigonometrical ratios quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas Quiz pdf Download Worksheets 7

MCQ. Considering 0° < x < 180°, angle of sin x = 0.2385 is

1. 21° , 170.32°
2. 18.02° , 165.02°
3. 14° , 150°
4. 13.80° , 166.20°

D

MCQ. Formula for area of a triangle ABC is

1. 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
2. 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
3. 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
4. 2ab sin C = 2bc sin A = 2ac sin B

B

MCQ. In Δ ABC, angle A = 110° and AC = 2AB. If area of Δ ABC is 15.5 cm2 then length of AB is

1. 3.06 cm
2. 6.05 cm
3. 4.06 cm
4. 5.06 cm

C

MCQ. Considering Cosine rule, cos C is equal to

1. a2 - b2 - c2⁄2bc
2. 2a2 + 2b2 + 2c2⁄2abc
3. a2 + b2 - c2⁄2ab
4. 2a + 2b - 2c⁄2ac

C

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

1. 2.4
2. 2.8
3. 3.2
4. 0.8

A

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