/20 1234567891011121314151617181920 Application of Trigonometry 1 / 20 1. The angle of elevation is the angle formed A) With the vertical line B) Above the horizontal line C) At 90 degrees D) Below the horizontal line 2 / 20 2. A kite is flying at a height of 60 m, and the string makes an angle of 45° with the ground. What should be found to determine the length of the string A) Sec 45⁰ B) Cos 45⁰ C) None of these D) Sin 45⁰ 3 / 20 3. If the angle of elevation from a point on the ground to the top of a tower increases, the distance of the observer from the tower A) Increases B) Remains the same C) Becomes infinite D) Decreases 4 / 20 4. The shadow of a pole is 10 m long when the angle of elevation of the sun is 30°. What trigonometric ratio should be used to find the height of the pole A) Tangent B) Sine C) Cosine D) Cotangent 5 / 20 5. If the angle of elevation of the sun is 90°, then the shadow of any object will be A) Equal to the object's height B) Half of the object's height C) Zero D) Infinite 6 / 20 6. If a person sees a bird on top of a tree and the angle of elevation is 45°, then the height of the tree and the distance of the person from the base of the tree are A) Not Equal B) Half C) Double D) Equal 7 / 20 7. If a ladder is leaning against a wall, the height of the wall is considered as A) None of these B) Hypotenuse C) Perpendicular D) Base 8 / 20 8. If a 20 m tall pole has a shadow of 10 m, what is the angle of elevation of the sun A) 45⁰ B) 60⁰ C) 30⁰ D) 60⁰ 9 / 20 9. If the height of a building is 50 m and the angle of depression from the top of the building to a car on the road is 60°, which ratio is used to find the distance of the car from the base of the building? A) Sin 45⁰ B) Sin 30⁰ C) Cot 60⁰ D) Tan 60⁰ 10 / 20 10. In real-life applications, trigonometry is used in A) Navigation B) Architecture C) All of the above D) Astronomy 11 / 20 11. The hypotenuse is always the longest side in a right-angled triangle A) False B) True 12 / 20 12. The angle of depression of a car from the top of a lighthouse is 30°. If the height of the lighthouse is 100 m, which ratio will be used to find the distance of the car from the lighthouse? A) Sin 60⁰ B) Cot 30⁰ C) Cos 60⁰ D) Tan 30⁰ 13 / 20 13. Trigonometry is mainly used to find A) Perimeter of a rectangle B) Length of sides in a right triangle C) Area of a square D) Volume of a cylinder 14 / 20 14. The angle of depression is the angle formed A) With the vertical line B) Above the horizontal line C) At 45 degrees D) Below the horizontal line 15 / 20 15. Which trigonometric ratio is used to find the height of a tree if the angle of elevation and distance from the tree are given A) Secent B) Tangent C) Sine D) Cosine 16 / 20 16. In trigonometry applications, the height of an object is usually measured A) Along a diagonal B) Using Pythagoras theorem only C) Along the vertical D) Along the horizontal 17 / 20 17. If a person at a distance of 50 m from a tower sees the top of the tower at an angle of elevation of 30°, what trigonometric ratio should be used to find the height of the tower? A) Sec 30⁰ B) Tan 30⁰ C) Sin 60⁰ D) Sin 30⁰ 18 / 20 18. If the length of the shadow of a pole is equal to its height, the angle of elevation of the sun is A) 60⁰ B) 90⁰ C) 30⁰ D) 45⁰ 19 / 20 19. A 10 m ladder is placed against a vertical wall. If the foot of the ladder is 6 m away from the wall, what trigonometric ratio can be used to find the height of the wall A) Sine B) Secant C) Cosine D) Tangent 20 / 20 20. The horizontal distance in a trigonometry problem is usually called A) Base B) Angel C) Hypotenuse D) Perpendicular Share Your Score with Friends Facebook Twitter
