Flashcard Practice - Special Right Triangles
Flashcard
•
Mathematics
•
9th - 11th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of special triangle has angles of 45°-45°-90°?
Back
This is a 45°-45°-90° triangle, which is an isosceles right triangle.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
How do you find the long leg in a 30-60-90 triangle if the short leg is given?
Back
Multiply the length of the short leg by √3.
Tags
CCSS.8.G.B.8
3.
FLASHCARD QUESTION
Front
What is the relationship between the sides of a 45°-45°-90° triangle?
Back
In a 45°-45°-90° triangle, the lengths of the legs are equal, and the hypotenuse is √2 times the length of a leg.
Tags
CCSS.8.G.B.8
4.
FLASHCARD QUESTION
Front
What is the length of the hypotenuse in a 30-60-90 triangle if the short leg is 5?
Back
The hypotenuse is 10.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
What are the side lengths in a 30-60-90 triangle if the short leg is 4?
Back
Short leg = 4, Long leg = 4√3, Hypotenuse = 8.
Tags
CCSS.8.G.B.8
6.
FLASHCARD QUESTION
Front
What is the formula for the hypotenuse in a 45°-45°-90° triangle?
Back
Hypotenuse = leg × √2.
Tags
CCSS.8.G.B.8
7.
FLASHCARD QUESTION
Front
If the short leg of a 30-60-90 triangle is 6, what is the length of the long leg?
Back
The long leg is 6√3.
Tags
CCSS.8.G.B.8
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