Special Right Triangles
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a special right triangle?
Back
A special right triangle is a right triangle with specific angle measures and side length ratios, commonly the 45-45-90 triangle and the 30-60-90 triangle.
2.
FLASHCARD QUESTION
Front
What is the side length ratio of a 45-45-90 triangle?
Back
In a 45-45-90 triangle, the side lengths are in the ratio 1:1:√2.
3.
FLASHCARD QUESTION
Front
What is the side length ratio of a 30-60-90 triangle?
Back
In a 30-60-90 triangle, the side lengths are in the ratio 1:√3:2.
4.
FLASHCARD QUESTION
Front
Back
The hypotenuse is 20.
5.
FLASHCARD QUESTION
Front
Back
The longer side is 24.
6.
FLASHCARD QUESTION
Front
How do you find the missing angle in a right triangle using trigonometric ratios?
Back
Use the inverse trigonometric functions: sin, cos, or tan, depending on the known sides.
7.
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 opposite side to the length of the hypotenuse.
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