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Lesson Plans and Worksheets for Grade 8

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 8

Common Core For Grade 8

Videos, examples, and solutions 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

**Proving the Pythagorean Theorem 1 (8.G.6)**

The Pythagorean Theorem states that for any right angle, the sum of the squares of the measures of the 2 legs will equal the square of the measure of the hypotenuse.

Converse of the Pythagorean Theorem: If a triangle has the sum of the squares of the measure of its 2 legs equal to the square of the measure of the hypotenuse then it is a right triangle.

**Visual Pythagorean Theorem Proof**

Some basic geometry required.**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 Pythagoras' 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**

Lesson Plans and Worksheets for Grade 8

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 8

Common Core For Grade 8

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

Common Core: 8.G.6

- 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.

The Pythagorean Theorem states that for any right angle, the sum of the squares of the measures of the 2 legs will equal the square of the measure of the hypotenuse.

Converse of the Pythagorean Theorem: If a triangle has the sum of the squares of the measure of its 2 legs equal to the square of the measure of the hypotenuse then it is a right triangle.

Some basic geometry required.

This video shows how to use the Pythagorean Theorem and its Converse to determine if a triangle is acute, right, or obtuse.

A short video to show how Pythagoras proved the theorem that bears his name.

A proof of the converse of the Pythagorean Theorem.

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