C. 3 10. What is the sum of the angles in a triangle? A. 360 8.90 C.270 D. 180 11. What do you call the side opposite the right angle of a triangle? A. Axis B. Hypotenuse D. Diagonal 12. The Pythagorean theorem can be written as c²a C. Vertex + b The a and b is the equation are the C. 2 sides of the right triangle 2 angles of the right triangle 8. Hypotenuse and the adjacent side D. Hypotenuse and the opposite side 13. A ladder lean against a brick wall. The foot of the ladder is 10 ft from the wall. The ladder reaches A height of 18 ft on the wall. Find to the nearest degree the angle makes with the wall A. 35 B. 25 C. 39 D. 29 14. The angle of depressions from the top of a building to a car travelling towards the building as the car Travels closer A. Decreases B. Increases C. Remains D. Increases 15. The angle of elevation from your eye to the top of an eighteen foot flagpole as you walk farther from The flagpole. A. Inverses B. Remains D. Decreases c. Increases 16. The line that connects the eye of an observes to the object is called C. Line of sight A. Horizontal Line 8. Straight line D. Vertical line 17 The baby is looking at the moon. The angle formed from the baby to the moon is an A. Angie of depreciation C. Angle of depression B. Angle of elevation D. Angle of oppression 18. The angle from the horizontal to the line of sight of the observer to the object below is called A. Angle of elevation C. Angle of depression D. Acute angle B. Right angle 19 A kite held by 100 of string makes an angle of elevation with the ground of 40 About high is the kite Above the ground? 8. 76.6 m C. 64.3 m A 83.9 m D. 55.6 m 20. With the sun, a girl 1.4 m tall casts a 3.6 m shadow. Find the angle of elevation from the top of the Shadow to the sun. Express your answer to the nearest degree. C. 21 0.22 A. 19 8. 20