Understanding the Pythagorean Theorem and Special Right Triangles

The video tutorial covers the Pythagorean Theorem, its converse, and special right triangles. It explains how the theorem applies to right triangles and introduces the 45-45-90 and 30-60-90 triangles, highlighting their unique side length patterns. The tutorial provides insights into using these patterns to solve problems involving missing side lengths.

What is the Pythagorean Theorem used for?

• Measuring the perimeter of a rectangle

• Finding the volume of a cube

• Determining the side lengths of a right triangle

• Calculating the area of a circle

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CCSS.8.G.B.8

In the Pythagorean Theorem, what does 'c' represent?

• The shortest side of the triangle

• The longest side of the triangle

• The perimeter of the triangle

• The area of the triangle

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CCSS.8.G.B.8

How can the converse of the Pythagorean Theorem be used?

• To measure the angles of a triangle

• To calculate the volume of a sphere

• To determine if a triangle is a right triangle

• To find the area of a triangle

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CCSS.8.G.B.8

What is a characteristic of a 45-45-90 triangle?

• It has two angles of 30 degrees

• It is an equilateral triangle

• It has two equal legs

• It has a hypotenuse twice the length of one leg

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CCSS.8.G.B.8

In a 45-45-90 triangle, how is the hypotenuse calculated?

• It is twice the length of one leg

• It is the square root of the sum of the legs

• It is the length of one leg times the square root of 2

• It is equal to the sum of the legs

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CCSS.8.G.B.8

What is the pattern for the side lengths in a 45-45-90 triangle?

• 1, 1, and square root of 2

• 1, 1, and 2

• 1, 2, and 3

• 1, 2, and square root of 3

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What are the angle measures in a 30-60-90 triangle?

• 30, 60, and 90 degrees

• 90, 90, and 90 degrees

• 45, 45, and 90 degrees

• 60, 60, and 60 degrees

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CCSS.8.G.B.8

In a 30-60-90 triangle, how is the hypotenuse related to the short leg?

• It is twice the length of the short leg

• It is equal to the short leg

• It is the square root of the short leg

• It is half the length of the short leg

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CCSS.8.G.B.8

How is the long leg of a 30-60-90 triangle calculated?

• It is the square root of the short leg

• It is twice the short leg

• It is the short leg times the square root of 3

• It is equal to the short leg

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CCSS.8.G.B.8

In a 30-60-90 triangle, if the short leg is 3, what is the hypotenuse?

• 3

• 3 times the square root of 3

• 6

• 9

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CCSS.8.G.B.8