# Apply Pythagorean Theorem

Videos and lessons to help Grade 8 students learn how to apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

Common Core: 8.G.7

### Suggested Learning Targets

• I can recall the Pythagorean Theorem and its converse in order to apply it to real-world and mathematical problems (2 and 3 dimensional).
• I can solve basic mathematical Pythagorean Theorem problems and its converse
to find missing length of sides of triangles in two and there-dimensions.
• I can apply Pythagorean Theorem in solving real-world problems dealing with two and three-dimensional shapes.

Related Topics:

Common Core for Mathematics

More Math Lessons for Grade 8

Prove and apply the Pythagorean Theorem to determine unknown side lengths in right-triangles--8.G.7
In this lesson you will learn how to find the length of the hypotenuse of a right triangle by using the Pythagorean Theorem.

In this lesson, you will learn how to find the length of a leg of a right triangle by using the Pythagorean Theorem.

In this lesson you will learn how to apply the Pythagorean Theorem to three dimensional figures by creating right triangles.
8.G.7 - Pythagorean Theorem.

Applications of the Pythagorean Theorem
How to use the Pythagorean Theorem to solve real world problems.
Apply the Pythagorean Theorem.

Applying Pythagorean Theorem
A soccer field is rectangular with a width of 60 yards and a length of 100 yards. The diagonal of the field is found by connecting a line from corner to corner inside the rectangle. To the nearest foot, how long is this diagonal?
Applying the Pythagorean Theorem.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.