Special Right Triangles 30 60 90
Flashcard
•
Mathematics
•
8th Grade - University
•
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 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
What is the relationship between the sides of a 30-60-90 triangle?
Back
In a 30-60-90 triangle, if the length of the shorter leg (opposite the 30° angle) is 'x', then the longer leg (opposite the 60° angle) is 'x√3' and the hypotenuse is '2x'.
Tags
CCSS.HSG.CO.C.10
3.
FLASHCARD QUESTION
Front
How do you find the length of the longer leg in a 30-60-90 triangle?
Back
Multiply the length of the shorter leg by √3.
Tags
CCSS.8.G.B.8
4.
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 by 2.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
If the shorter leg of a 30-60-90 triangle is 5, what is the length of the longer leg?
Back
5√3.
Tags
CCSS.HSG.CO.C.10
6.
FLASHCARD QUESTION
Front
If the hypotenuse of a 30-60-90 triangle is 10, what is the length of the shorter leg?
Back
5.
Tags
CCSS.8.G.B.8
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a 30-60-90 triangle?
Back
Area = (1/2) * base * height, where base is the shorter leg and height is the longer leg.
Tags
CCSS.6.G.A.1
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