Special Right Triangles
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
+2
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
In a 30-60-90 triangle, what is the relationship between the short leg and the long leg?
Back
The long leg is √3 times the length of the short leg.
Tags
CCSS.8.G.B.8
4.
FLASHCARD QUESTION
Front
In a 45°-45°-90° triangle, what is the relationship between the legs and the hypotenuse?
Back
The hypotenuse is √2 times the length of each leg.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
What is the formula to find the length of the hypotenuse in a 30-60-90 triangle?
Back
Hypotenuse = 2 × (length of the short leg).
Tags
CCSS.8.G.B.8
6.
FLASHCARD QUESTION
Front
What is the formula to find the length of the long leg in a 30-60-90 triangle?
Back
Long leg = √3 × (length of the short leg).
Tags
CCSS.8.G.B.8
7.
FLASHCARD QUESTION
Front
What is the formula to find the length of the legs in a 45°-45°-90° triangle?
Back
Leg = (length of the hypotenuse) / √2.
Tags
CCSS.8.G.B.8
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