Solving Right Triangles

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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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.
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.
3.
FLASHCARD QUESTION
Front
What is the hypotenuse in a right triangle?
Back
The hypotenuse is the longest side of a right triangle, opposite the right angle.
4.
FLASHCARD QUESTION
Front
How do you find the length of a side in a right triangle using trigonometric ratios?
Back
You can use sine, cosine, or tangent ratios to find the lengths of the sides. For example, sin(θ) = opposite/hypotenuse, cos(θ) = adjacent/hypotenuse, and tan(θ) = opposite/adjacent.
5.
FLASHCARD QUESTION
Front
What is the sine of an angle in a right triangle?
Back
The sine of an angle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.
6.
FLASHCARD QUESTION
Front
What is the cosine of an angle in a right triangle?
Back
The cosine of an angle is the ratio of the length of the side adjacent to the angle to the length of the hypotenuse.
7.
FLASHCARD QUESTION
Front
What is the tangent of an angle in a right triangle?
Back
The tangent of an angle is the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle.
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