What is a right triangle?
Solving Right Triangles

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•
Mathematics
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A right triangle is a triangle that has one angle measuring 90 degrees.
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): a² + b² = c².
3.
FLASHCARD QUESTION
Front
How do you find the length of a side in a right triangle using the Pythagorean theorem?
Back
To find the length of a side, rearrange the Pythagorean theorem formula to solve for the unknown side.
4.
FLASHCARD QUESTION
Front
What is the sine function in relation to a right triangle?
Back
The sine of an angle in a right triangle is the ratio of the length of the opposite side to the length of the hypotenuse.
5.
FLASHCARD QUESTION
Front
What is the cosine function in relation to a right triangle?
Back
The cosine of an angle in a right triangle is the ratio of the length of the adjacent side to the length of the hypotenuse.
6.
FLASHCARD QUESTION
Front
What is the tangent function in relation to a right triangle?
Back
The tangent of an angle in a right triangle is the ratio of the length of the opposite side to the length of the adjacent side.
7.
FLASHCARD QUESTION
Front
How do you use trigonometric ratios to find missing angles in a right triangle?
Back
You can use the inverse trigonometric functions (arcsin, arccos, arctan) to find missing angles based on the known side lengths.
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