Pythagorean Theorem

Pythagorean Theorem

Poll

Have you ever heard of Pythagorean Theorem?

• Yes

• No

• It sounds familiar but I am not quite sure.

Who was Pythagoras?

https://www.youtube.com/watch?v=C9Tc0PO6IEM

Multiple Choice

Why is Pythagoras an important figure in mathematics

• He lived in Greece and Greece is cool

• He was philosophical mathematician who invented the Pythagorean Theorem and connected math to the world around us.

Lesson 3-9: Pythagorean Theorem Essential Question

How can I use Pythagorean Theorem to find the lengths of the sides of a right triangle?

Let's break it down...

• Length

• Sides

• Right Triangle

Right Triangle

• Obtuse

• Acute

• Right

Right Angle

Obtuse angle

Acute Angle

Right Triangle

• ALWAYS has a right angle

Multiple Choice

Choose the right triangle

Activity Time

Sides of a right triangle

Multiple Select

True or False: The LONGEST side of a right triangle is called the hypotenuse.

• True

• False

The sides of a right triangle are labled with letters.

Why is this important?

• Because Pythagorean Theorem uses these letters.

Google Slides- Label the right triangle