Special Right Triangles

Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
Standards-aligned
Wayground Content
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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 are 30 degrees, 60 degrees, and 90 degrees. The sides are in the ratio 1 : √3 : 2.
Tags
CCSS.8.G.B.8
2.
FLASHCARD QUESTION
Front
How do you find the long leg in a 30-60-90 triangle if the short leg is known?
Back
Multiply the length of the short leg by √3.
Tags
CCSS.8.G.B.8
3.
FLASHCARD QUESTION
Front
What is a 45-45-90 triangle?
Back
A special right triangle where the angles are both 45 degrees and the sides are in the ratio 1 : 1 : √2.
Tags
CCSS.8.G.B.8
4.
FLASHCARD QUESTION
Front
How do you find the length of the hypotenuse in a 45-45-90 triangle?
Back
Multiply the length of one leg by √2.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
If the short leg of a 30-60-90 triangle is 4, what is the length of the long leg?
Back
4√3.
Tags
CCSS.HSG.CO.C.10
6.
FLASHCARD QUESTION
Front
If the hypotenuse of a 45-45-90 triangle is 8√2, what is the length of each leg?
Back
8.
Tags
CCSS.8.G.B.8
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a triangle?
Back
Area = 1/2 * base * height.
Tags
CCSS.6.G.A.1
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