9.1.8 - Exercise 8
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Practice Questions
Test your understanding with targeted questions
Find the height of a 20 m long rope making a 30° angle with the ground.
💡 Hint: Use the sine function.
If the angle of elevation of a tower is 30° and the distance is 30 m, find the height.
💡 Hint: Apply the tangent function.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the height of a pole if a rope of 20 m makes a 30° angle with the ground?
💡 Hint: Remember the sine function.
Is the angle of depression used to calculate heights looking up only?
💡 Hint: Think about perspective.
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Challenge Problems
Push your limits with advanced challenges
A 75 m high lighthouse observes two ships at angles of depression of 30° and 45°. What is the distance between the ships?
💡 Hint: Use separate calculations for each angle and find differences.
A man at the top of a tower sees a car approaching at first at 30° and then at 60° after 6 seconds. What is the time taken to reach?
💡 Hint: Relate speed and distance to compute time.
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