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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Find the height of a 20 m long rope making a 30° angle with the ground.
💡 Hint: Use the sine function.
Question 2
Easy
If the angle of elevation of a tower is 30° and the distance is 30 m, find the height.
💡 Hint: Apply the tangent function.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the height of a pole if a rope of 20 m makes a 30° angle with the ground?
- 10 m
- 15 m
- 12 m
💡 Hint: Remember the sine function.
Question 2
Is the angle of depression used to calculate heights looking up only?
- True
- False
💡 Hint: Think about perspective.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation