Special Right Triangles

Flashcard
•
Mathematics
•
10th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a 45-45-90 triangle?
Back
A special right triangle where the two legs are of equal length and the angles are 45°, 45°, and 90°.
Tags
CCSS.8.G.B.8
2.
FLASHCARD QUESTION
Front
How do you find the length of the hypotenuse in a 45-45-90 triangle?
Back
Multiply the length of a leg by √2.
Tags
CCSS.8.G.B.8
3.
FLASHCARD QUESTION
Front
What is the ratio of the sides in a 45-45-90 triangle?
Back
1:1:√2, where the legs are 1 and the hypotenuse is √2.
Tags
CCSS.8.G.B.8
4.
FLASHCARD QUESTION
Front
What is a 30-60-90 triangle?
Back
A special right triangle with angles of 30°, 60°, and 90°.
Tags
CCSS.HSG.CO.C.10
5.
FLASHCARD QUESTION
Front
How do you find the length of the hypotenuse in a 30-60-90 triangle?
Back
Multiply the length of the shorter leg (opposite the 30° angle) by 2.
Tags
CCSS.8.G.B.8
6.
FLASHCARD QUESTION
Front
What is the ratio of the sides in a 30-60-90 triangle?
Back
1:√3:2, where the shorter leg is 1, the longer leg is √3, and the hypotenuse is 2.
Tags
CCSS.HSG.CO.C.10
7.
FLASHCARD QUESTION
Front
If one leg of a 45-45-90 triangle is 4, what is the length of the other leg?
Back
4 (the legs are equal in length).
Tags
CCSS.8.G.B.8
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