Some Applications of Trigonometry — Practice Quiz
CBSE · Class 10 · Mathematics
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Quick Quiz: Some Applications of Trigonometry
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What is the line of sight?
What defines an angle of elevation?
What is an angle of depression?
Which trigonometric ratio is useful for finding unknown heights?
Sample Questions
To find the height of an object using trigonometry, what information do you need?
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Distance, angle of elevation, and observer's height
To calculate an object's height, you need the distance from the object, the angle of elevation, and the observer's height.
When calculating height using trigonometry, total height is calculated by:
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Adding observer's height to calculated height
Total height is found by adding the observer's height to the calculated height from trigonometric calculations.
In a height calculation scenario, what does BD represent?
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The height of the student
In the minar-height setup, CD = CB + BD, and BD is equal to AE, which is the height of the student. So BD represents the observer's height, not the distance or the angle. This is used because the student's eye level is above the ground.
Which trigonometric function relates opposite and adjacent sides?
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tan
Tangent (tan) is the trigonometric ratio that relates the opposite side to the adjacent side in a right-angled triangle.
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- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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