Practice math test 4 on trigonometric ratios MCQs, grade 8 angles and trigonometrical ratio multiple choice questions and answers. Angles and trigonometrical ratio revision test has math worksheets, answer key with choices as 64.86°, 40.85°, 27.40° and 32.40° of multiple choice questions (MCQ) with angles and trigonometrical ratio quiz as in a right angle triangle abc, if bc is 8.7 and ac is 18.9 then value of angle a is for competitive exam prep. Free math study guide to learn angles and trigonometrical ratio quiz to attempt multiple choice questions based test.

MCQ. In a right angle triangle ABC, if BC is 8.7 and AC is 18.9 then value of angle A is

1. 40.85°
2. 64.86°
3. 27.40°
4. 32.40°

C

MCQ. Ladder leans against wall at point B and makes an angles of 67° with ground. If height of ladder is 10 m then distance from wall to foot of ladder is

1. 2.91 m
2. 5.91 m
3. 4.91 m
4. 3.91 m

D

MCQ. Two trigonometrical ratios whose values cannot be greater than 1 are

1. sine and cosine
2. sine and tangent
3. tangent and cosine
4. all of above

A

MCQ. With respect to A in a right-angled triangle ABC, side AC which is opposite to right-angle is called

1. opposite side
2. hypotenuse
3. adjacent side + opposite side