Virtual Nerd
Virtual Nerd: What Are the Legs and Hypotenuse of a Right Triangle?
Features an intoduction to the names for the different parts of a right triangle. [2:13]
Virtual Nerd
Virtual Nerd: What Is the Distance Formula?
This tutorial introduces the distance formula and shows how to find it. [3:01]
Khan Academy
Khan Academy: The Coordinate Plane: Descartes and Cartesian Coordinates
Bridging algebra and geometry. This video explains the contributions of Rene Decartes to Algebra and Geometry.
Khan Academy
Khan Academy: Worked Examples: Geometry: Pythagorean Theorem, Area
Students watch a video tutorial to learn how to solve area problems of composite figures using the Pythagorean Theorem.
Sophia Learning
Sophia: Midpoint Formula Tutorial
Determine the midpoint of a line between two points by averaging the x-values and the y-values using the midpoint formula.
Virtual Nerd
Virtual Nerd: Determine if a Triangle Is a Right Triangle if You Know Its Sides
Take a look at this tutorial and learn how to use the Pythagorean theorem to see if a triangle is a right triangle. [2:49]
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Create a Right Triangle on a Coordinate Plane'
In this lesson, you will learn how to create a right triangle on a coordinate plane by using two points that form a diagonal line segment. [4:39]
Virtual Nerd
Virtual Nerd: How Do You Find the Length of a Leg of a Right Triangle?
The Pythagorean theorem is useful in solving how to find the missing length of a side of a right triangle. Check out this tutorial to see how it's done. [4:09]
Math Antics
Math Antics: The Pythagorean Theorem
Gain a basic understanding of the Pythagorean Theorem by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [12:55]
Khan Academy
Khan Academy: Triangles: Median Centroid Right Triangle Example
This video demonstrates how to find various measures of triangles formed by the medians of a right triangle.
Khan Academy
Khan Academy: Triangles: Pythagorean Theorem Proof Using Similarity
This video shows a proof for the Pythagorean Theorem by breaking a right triangle into two similar triangles and setting up ratios of corresponding sides.
Khan Academy
Khan Academy: Distance Formula
Learn how to find the distance between two points by using the distance formula, which is an application of the Pythagorean theorem.
Khan Academy
Khan Academy: Finding Distance With Pythagorean Theorem
Sal finds the distance between two points with the Pythagorean theorem.
Khan Academy
Khan Academy: 2. Midpoint Formula
Explore how midpoints are used to describe the string art construction.
Sophia Learning
Sophia: Coordinate Geometry of Isosceles Trapezoids: Lesson 2
This lesson [8:14] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is an isosceles trapezoid in a coordinate plane. It is 2 of 5 in the series titled...
Sophia Learning
Sophia: Coordinate Geometry of Rhombii: Lesson 3
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 3 of 4 in the series titled "Coordinate...
Sophia Learning
Sophia: Coordinate Geometry of Square: Lesson 3
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 3 of 3 in the series titled "Coordinate Geometry...
Sophia Learning
Sophia: Coordinate Geometry of Square: Lesson 1
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 1 of 3 in the series titled "Coordinate Geometry...
Sophia Learning
Sophia: Coordinate Geometry of Trapezoids: Lesson 2
This lesson [7:20] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 2 of 4 in the series titled...
Sophia Learning
Sophia: Coordinate Geometry of Trapezoids: Lesson 4
This lesson [15:33] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices of a quadrilateral, if the shape is a trapezoid. It is 4 of 4 in the series titled "Coordinate...
Sophia Learning
Sophia: Converse of the Pythagorean Theorem: Lesson 5
This lesson will demonstrate how to use the converse of the Pythagorean Theorem to determine if three side lengths of a triangle form a right triangle. It is 5 of 5 in the series titled "Converse of the Pythagorean Theorem." [8:28]
Sophia Learning
Sophia: Coordinate Geometry of Rhombii: Lesson 1
This lesson [8:08] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 1 of 4 in the series titled "Coordinate...
Sophia Learning
Sophia: Coordinate Geometry of Rhombii: Lesson 2
This lesson [8:20] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane. It is 2 of 4 in the series titled "Coordinate...