Special Right Triangles

Flashcard
•
Mathematics
•
9th - 11th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a 30-60-90 triangle?
Back
A special right triangle where the angles measure 30°, 60°, and 90°. The sides are in the ratio 1:√3:2.
Tags
CCSS.8.G.B.8
2.
FLASHCARD QUESTION
Front
What is a 45°-45°-90° triangle?
Back
A special right triangle where the angles measure 45°, 45°, and 90°. The sides are in the ratio 1:1:√2.
Tags
CCSS.8.G.B.8
3.
FLASHCARD QUESTION
Front
If the short leg of a 30-60-90 triangle is 'x', what is the length of the long leg?
Back
The long leg is x√3.
Tags
CCSS.8.G.B.8
4.
FLASHCARD QUESTION
Front
If the hypotenuse of a 30-60-90 triangle is 'y', what is the length of the short leg?
Back
The short leg is y/2.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
In a 45°-45°-90° triangle, if one leg is 'a', what is the length of the hypotenuse?
Back
The hypotenuse is a√2.
Tags
CCSS.8.G.B.8
6.
FLASHCARD QUESTION
Front
How do you find the length of the short leg in a 30-60-90 triangle if the long leg is known?
Back
Divide the length of the long leg by √3.
Tags
CCSS.8.G.B.8
7.
FLASHCARD QUESTION
Front
What is the relationship between the sides of a 30-60-90 triangle?
Back
The sides are in the ratio 1:√3:2, corresponding to the angles 30°, 60°, and 90°.
Tags
CCSS.HSG.CO.C.10
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