What is a 30-60-90 triangle?
30-60-90 Triangles

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A special right triangle where the angles are 30 degrees, 60 degrees, and 90 degrees.
2.
FLASHCARD QUESTION
Front
What is the ratio of the sides in a 30-60-90 triangle?
Back
The ratio of the lengths of the sides opposite the 30°, 60°, and 90° angles is 1 : √3 : 2.
3.
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.
4.
FLASHCARD QUESTION
Front
If the hypotenuse of a 30-60-90 triangle is 12, what is the length of the short leg?
Back
The short leg is 6.
5.
FLASHCARD QUESTION
Front
What is the formula to find the length of the long leg in a 30-60-90 triangle?
Back
Long leg = short leg × √3.
6.
FLASHCARD QUESTION
Front
What is the formula to find the length of the hypotenuse in a 30-60-90 triangle?
Back
Hypotenuse = short leg × 2.
7.
FLASHCARD QUESTION
Front
If the long leg of a 30-60-90 triangle is 10√3, what is the length of the hypotenuse?
Back
The hypotenuse is 20.
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