What is the Pythagorean Theorem?
8th Grade Vocab: Pythagorean Theorem

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Mathematics
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8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). Formula: a² + b² = c².
2.
FLASHCARD QUESTION
Front
What is a right triangle?
Back
A right triangle is a triangle that has one angle measuring 90 degrees.
3.
FLASHCARD QUESTION
Front
What are the sides of a right triangle called?
Back
The sides of a right triangle are called the legs (the two shorter sides) and the hypotenuse (the longest side opposite the right angle).
4.
FLASHCARD QUESTION
Front
How do you find the length of the hypotenuse?
Back
To find the length of the hypotenuse in a right triangle, use the Pythagorean Theorem: c = √(a² + b²).
5.
FLASHCARD QUESTION
Front
What is an example of using the Pythagorean Theorem?
Back
If one leg of a right triangle is 3 units and the other leg is 4 units, the hypotenuse can be found using c = √(3² + 4²) = √(9 + 16) = √25 = 5 units.
6.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is a number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.
7.
FLASHCARD QUESTION
Front
What is an irrational number?
Back
An irrational number is a number that cannot be expressed as a simple fraction.
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