Right Triangle Trigonometry

Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of a right triangle?
Back
A right triangle is a triangle that has one angle measuring 90 degrees.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What are the three sides of a right triangle called?
Back
The three sides are called the hypotenuse (the longest side), the opposite side (the side opposite the angle), and the adjacent side (the side next to the angle).
3.
FLASHCARD QUESTION
Front
What does SOH stand for in trigonometry?
Back
SOH stands for Sine = Opposite/Hypotenuse.
Tags
CCSS.HSG.SRT.C.8
4.
FLASHCARD QUESTION
Front
What does CAH stand for in trigonometry?
Back
CAH stands for Cosine = Adjacent/Hypotenuse.
Tags
CCSS.HSG.SRT.C.8
5.
FLASHCARD QUESTION
Front
What does TOA stand for in trigonometry?
Back
TOA stands for Tangent = Opposite/Adjacent.
Tags
CCSS.HSG.SRT.C.8
6.
FLASHCARD QUESTION
Front
In a 30-60-90 triangle, what is the ratio of the lengths of the sides?
Back
The ratio is 1 : √3 : 2 (short leg : long leg : hypotenuse).
Tags
CCSS.HSG.CO.C.10
7.
FLASHCARD QUESTION
Front
How do you find the length of the hypotenuse in a 30-60-90 triangle if the short leg is 4?
Back
Multiply the short leg (4) by 2 to get the hypotenuse (8).
Tags
CCSS.8.G.B.8
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