What is a 45-45-90 triangle?

45-45-90 #2

Flashcard
•
Mathematics
•
9th - 10th Grade
•
Hard
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12 questions
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1.
FLASHCARD QUESTION
Front
Back
A 45-45-90 triangle is an isosceles right triangle where the angles are 45 degrees, 45 degrees, and 90 degrees.
2.
FLASHCARD QUESTION
Front
What is the relationship between the legs and the hypotenuse in a 45-45-90 triangle?
Back
In a 45-45-90 triangle, the length of the hypotenuse is √2 times the length of each leg.
3.
FLASHCARD QUESTION
Front
If the length of a leg is 5, what is the length of the hypotenuse?
Back
The length of the hypotenuse is 5√2.
4.
FLASHCARD QUESTION
Front
What is the formula to find the length of the hypotenuse in a 45-45-90 triangle?
Back
Hypotenuse = leg × √2.
5.
FLASHCARD QUESTION
Front
If the hypotenuse is 21√2, what is the length of each leg?
Back
Each leg is 21.
6.
FLASHCARD QUESTION
Front
What is the length of the legs if the hypotenuse is 90?
Back
Each leg is 90/√2 or 45√2.
7.
FLASHCARD QUESTION
Front
In a 45-45-90 triangle, if one leg is x, what is the length of the other leg?
Back
The other leg is also x.
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