Right Triangles & Trigonometry
Flashcard
•
Mathematics
•
10th - 11th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a right triangle?
Back
A right triangle is a triangle that has one angle measuring 90 degrees.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What is the Pythagorean theorem?
Back
The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): c² = a² + b².
Tags
CCSS.8.G.B.7
3.
FLASHCARD QUESTION
Front
What is the sine function?
Back
The sine function (sin) is defined as the ratio of the length of the opposite side to the length of the hypotenuse in a right triangle.
Tags
CCSS.HSG.SRT.C.6
4.
FLASHCARD QUESTION
Front
What is the cosine function?
Back
The cosine function (cos) is defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle.
Tags
CCSS.HSG.SRT.C.6
5.
FLASHCARD QUESTION
Front
What is the tangent function?
Back
The tangent function (tan) is defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle.
Tags
CCSS.HSG.SRT.C.6
6.
FLASHCARD QUESTION
Front
How do you find the length of a side in a right triangle using trigonometric ratios?
Back
You can use the appropriate trigonometric function (sine, cosine, or tangent) based on the known sides and the angle to set up an equation and solve for the unknown side.
Tags
CCSS.HSG.SRT.C.8
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles and sides in a right triangle?
Back
In a right triangle, the side opposite the largest angle is the longest side (the hypotenuse), and the side opposite the smallest angle is the shortest side.
Tags
CCSS.HSG.CO.C.10
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