IM2 Unit3 Practice Special Right Triangles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of special triangle has angles of 30°, 60°, and 90°?
Back
30°-60°-90° triangle
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What is the relationship between the sides of a 30°-60°-90° triangle?
Back
The lengths of the sides are in the ratio 1:√3:2.
Tags
CCSS.HSG.CO.C.10
3.
FLASHCARD QUESTION
Front
What type of special triangle has angles of 45°, 45°, and 90°?
Back
45°-45°-90° triangle
Tags
CCSS.4.G.A.2
4.
FLASHCARD QUESTION
Front
What is the relationship between the sides of a 45°-45°-90° triangle?
Back
The lengths of the legs are equal, and the hypotenuse is √2 times the length of a leg.
Tags
CCSS.8.G.B.8
5.
FLASHCARD QUESTION
Front
If sin x = cos y, what is the relationship between x and y?
Back
x + y = 90°.
Tags
CCSS.HSG.SRT.C.7
6.
FLASHCARD QUESTION
Front
What is the value of cos 38°?
Back
sin 52°.
Tags
CCSS.HSG.SRT.C.7
7.
FLASHCARD QUESTION
Front
What is the value of sin 30°?
Back
1/2.
Tags
CCSS.HSG.SRT.C.7
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