9 - Some Applications of Trigonometry
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Practice Questions
Test your understanding with targeted questions
Define the line of sight.
💡 Hint: Think about how you see objects from different heights.
What is the angle of elevation?
💡 Hint: Consider looking at a tall building.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the angle called when you look up at an object?
💡 Hint: Think about looking at a tall structure.
True or False: The angle of depression is formed by the line of sight below the horizontal.
💡 Hint: Consider how we look at objects from a height.
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Challenge Problems
Push your limits with advanced challenges
A statue casts a shadow of 12 m long at an angle of elevation of the sun of 30°. How tall is the statue?
💡 Hint: Employ the relationship between angles and lengths.
From a point on the ground, the angle of elevation to a tower is 50°, and from 10 m back, it’s 30°. Find the height of the tower.
💡 Hint: Analyze height change over varying distances.
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Reference links
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