# Pythagorean Theorem Proof

Videos and lessons to help Grade 8 students learn how to explain a proof of the Pythagorean Theorem and its converse.

Common Core: 8.G.6

### Suggested Learning Targets

• I can define key vocabulary: square root, Pythagorean Theorem, right triangle, legs a and b, hypotenuse, sides, right angle, converse, base, height, proof.
• I can identify the legs and hypotenuse of a right triangle
• I can explain a proof of the Pythagorean Theorem
• I can explain a proof of the converse of the Pythagorean Theorem.

Related Topics:

Common Core for Mathematics

More Math Lessons for Grade 8

In this lesson you will learn how to prove the Pythagorean Theorem by using squares and triangles.
Visual Pythagorean Theorem Proof
Some basic geometry required.

In this lesson, you will learn how to classify a triangle by using the Pythagorean Theorem.
The Pythagorean Theorem and The Converse of the Pythagorean Theorem
This video shows how to use the Pythagorean Theorem and its Converse to determine if a triangle is acute, right, or obtuse.

How to prove Pytharoras' Theorem
A short video to show how Pythagoras proved the theorem that bears his name.
The Converse of the Pythagorean Theorem
A proof of the converse of the Pythagorean Theorem.

Proof of the Converse of Pythagoras' Theorem.

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