Mathematics

11. PERFORMANCE TASK (total score plus 1=25 points) R 5 13 E 12 A. Give the ratio of the following , base from the figure above ( no. 1 was done for you) 1. Tan R= opposite/adjacent =12/5 = 2.4 6. Tan D= 2. Cos R= 7. Cos D= 3. Sin R= 8. Sin D= 4. Sec R= 9. Sec D= 5. CSC R= 10. Csc D= B. Give the measure of angle R and angle D. Rubrics: 2 points each - correct solution and answer. 1 point each - with solution wrong answer1. Multiple Choice. Choose and write the letter of the correct answer in your answer sheet. 1. It is an imaginary line that connects the eye of an observer to the object being observed. a. vertical line b. horizontal line c. line of sight d. horizontal line of sight It is an angle formed from the horizontal line of sight of the observer to the object above. a. Angle of depression b. angle of elevation c. oblique angle d. right angle 3. An angle formed from the horizontal line of sight of the observer to the object below. a. Right angle b . angle of depression c. angle of elevation d. right angle 4. A mam is looking at the stars in the sky, what angle is formed ? Right angle b. angle of depression c. angle of elevation d. oblique angle 5. A little girl is looking for her lost coin on the ground. This illustrates Acute angle b. angle of depression c. angle of elevation d. oblique angle 6. Base from the figure at the right, the angle of elevation is a.