What is a 45-45-90 triangle?
45-45-90 CFU Flashcard Quizizz

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 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 lengths of the legs are equal, and the hypotenuse is √2 times the length of each leg.
3.
FLASHCARD QUESTION
Front
If the length of each leg of a 45-45-90 triangle is 'a', what is the length of the hypotenuse?
Back
The length of the hypotenuse is a√2.
4.
FLASHCARD QUESTION
Front
What is the value of the legs if the hypotenuse is 8√2?
Back
The length of each leg is 8.
5.
FLASHCARD QUESTION
Front
How do you find the length of a leg if the hypotenuse is known?
Back
Divide the length of the hypotenuse by √2.
6.
FLASHCARD QUESTION
Front
If one leg of a 45-45-90 triangle is 5, what is the length of the hypotenuse?
Back
The hypotenuse is 5√2.
7.
FLASHCARD QUESTION
Front
What is the formula to calculate the area of a 45-45-90 triangle?
Back
Area = (1/2) * leg * leg = (1/2) * a * a.
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