Pythagorean Theorem Basics

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What is the Pythagorean Theorem?

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What is the formula to find the length of the hypotenuse in a right triangle?

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What is the longest side of a right triangle called?

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The longest side of a right triangle is called the hypotenuse.

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To which shape(s) does the Pythagorean theorem apply?

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The Pythagorean theorem applies only to right triangles.

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If one side of a right triangle is 12 and the other side is 9, what is the length of the hypotenuse?

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What do you do to find the length of a side in a right triangle using the Pythagorean theorem?

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You square the lengths of the two known sides, add them together, and then take the square root to find the length of the hypotenuse.

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What is the relationship between the sides of a right triangle?

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In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

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