What is the sum of the angles in a triangle?
REVIEW for BENCHMARK 12.16.24

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Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The sum of the angles in a triangle is always 180 degrees.
2.
FLASHCARD QUESTION
Front
What is the sine function?
Back
The sine function, denoted as sin(θ), is a trigonometric function that relates the angle θ to the ratio of the length of the opposite side to the hypotenuse in a right triangle.
3.
FLASHCARD QUESTION
Front
How do you find the measure of a missing angle in a triangle?
Back
To find the measure of a missing angle in a triangle, subtract the sum of the known angles from 180 degrees.
4.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
The area of a circle is given by the formula A = πr², where r is the radius.
5.
FLASHCARD QUESTION
Front
What is the cosine function?
Back
The cosine function, denoted as cos(θ), is a trigonometric function that relates the angle θ to the ratio of the length of the adjacent side to the hypotenuse in a right triangle.
6.
FLASHCARD QUESTION
Front
What is the relationship between sine and cosine?
Back
The relationship between sine and cosine is given by the identity sin²(θ) + cos²(θ) = 1.
7.
FLASHCARD QUESTION
Front
How do you calculate the length of an arc in a circle?
Back
The length of an arc can be calculated using the formula L = rθ, where r is the radius and θ is the angle in radians.
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