Podcast
Questions and Answers
What is the name for the side opposite the right angle in a right triangle?
What is the name for the side opposite the right angle in a right triangle?
- Base
- Hypotenuse (correct)
- Opposite
- Adjacent
Which trigonometric function relates the opposite side and hypotenuse of a right triangle?
Which trigonometric function relates the opposite side and hypotenuse of a right triangle?
- Cosine
- Cotangent
- Tangent
- Sine (correct)
In a right triangle, which angle is always equal to 90 degrees?
In a right triangle, which angle is always equal to 90 degrees?
- Straight angle
- Acute angle
- Right angle (correct)
- Obtuse angle
Which trigonometric ratio is defined as the ratio of the adjacent side to the hypotenuse?
Which trigonometric ratio is defined as the ratio of the adjacent side to the hypotenuse?
What is the sum of all angles inside any triangle?
What is the sum of all angles inside any triangle?
Flashcards
What is the height of a triangle?
What is the height of a triangle?
A line segment from a vertex perpendicular to the opposite side (or its extension).
What is the 'opposite' side in trigonometry?
What is the 'opposite' side in trigonometry?
The side opposite the given angle in a right triangle.
What is the tangent function?
What is the tangent function?
tan(angle) = Opposite / Adjacent
How to relate height and base to the 38° angle?
How to relate height and base to the 38° angle?
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What is the height h if the base is 4 cm and the angle is 38°?
What is the height h if the base is 4 cm and the angle is 38°?
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Study Notes
- The image shows a right triangle.
- The goal is to determine the height h of a triangle with:
- A base that is 4 cm in length
- An angle is 38° from the base
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Description
Calculate the height of a right triangle given the base and one angle. Use trigonometric functions to find the unknown height, given a base of 4 cm and an angle of 38 degrees.
