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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
Define the line of sight.
💡 Hint: Think about the view you get when you look at something.
Question 2
Easy
What do you call the angle formed when looking up towards an object?
💡 Hint: Remember it relies on looking up!
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 angle of elevation?
- Angle to the object viewed below horizontal
- Angle to the object viewed above horizontal
- Neither
💡 Hint: Think about the concepts of raising your head to look at objects.
Question 2
True or False: The line of sight can create both angles of elevation and depression.
- True
- False
💡 Hint: Recall the definitions of both angles!
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A lighthouse is 50 feet tall. If you stand 100 feet from the base and the angle of elevation to the top of the lighthouse is 30 degrees, what is the height of the lighthouse?
💡 Hint: Use the tangent ratio correctly!
Question 2
A cable car is suspended above a valley. If the angle of depression to the base of the valley is 45 degrees and is 80 meters away horizontally, what is the height of the cable car?
💡 Hint: Don't forget that tan(45°) equals 1!
Challenge and get performance evaluation