The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right...

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The Pythagorean Theorem

Transcript of The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right...

Page 1: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

The Pythagorean Theorem

Page 2: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

The Right Triangle

A right triangle is a triangle

that contains one right

angle.

A right angle is 90o

Right Angle

Page 3: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Parts of a Right Triangle

Leg

Leg

Hypotenuse

Page 4: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

The Pythagorean Theorem

a2 + b2 = c2

a

b

c

Page 5: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.
Page 6: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Example 1

Find the length of the hypotenuse.

3

4c

Page 7: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Example 2

Find the length of the hypotenuse.

6

8c

Page 8: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Example 3

Find the length of the hypotenuse

12

16

c

Page 9: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Example 4

Find the length of the unknown side

12

13b

Page 10: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Example 5

Find the length of the unknown side.

1715

a

Page 11: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Example 7

Find the length of the unknown side.

25

24

b

Page 12: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Pythagorean Triple

All of the side lengths of the triangles we have looked at form Pythagorean Triples.

If the side lengths of a right triangle are all whole numbers, they are called Pythagorean Triples.

Page 13: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.

Pythagorean Triples

List the Pythagorean Triples we have discussed.

Page 14: The Pythagorean Theorem. The Right Triangle A right triangle is a triangle that contains one right angle. A right angle is 90 o Right Angle.