Sophia Learning
Sophia: Area of a Trapezoid
In this video, students will use triangles to determine the area of a trapezoid. Assess learning with a quiz. [7:20]
Sophia Learning
Sophia: Area of Quadrilaterals: Taking' It to the Streets
This lesson provides a video that shows examples of various quadrilaterals in the real world. A notes sheet follows describing the characteristics of each quadrilateral and how to find the area of several figures. [3:37]
Virtual Nerd
Virtual Nerd: How Do You Classify Quadrilaterals?
Quadrilaterals are figures with four sides and there are many different types. Watch this tutorial and try to figure out the name for any given quadrilateral. [11:03]
Khan Academy
Khan Academy: Quadrilateral Types
Learn to identify quadrilaterals such as kites, trapezoids, parallelograms, rhombuses, rectangles, and squares by line and angle type.
Khan Academy
Khan Academy: Drawing a Trapezoid on the Coordinate Plane Example
Watch Sal solve an example problem where he draws an isosceles trapezoid on the coordinate plane.
Sophia Learning
Sophia: Median Line of a Trapezoid: Lesson 2
This lesson will help you name the line segment whose endpoints are the midpoints of the the legs (non-parallel sides) on a trapezoid. It is 2 of 5 in the series titled "Median Line of a Trapezoid."
Sophia Learning
Sophia: Trapezoid Height and Base: Lesson 3
This lesson will demonstrate how to solve for an unknown height or base of a trapezoid when given the area. It is 3 of 5 in the series titled "Trapezoid Height and Base."
Sophia Learning
Sophia: Trapezoid Height and Base: Lesson 5
This lesson will demonstrate how to solve for an unknown height or base of a trapezoid when given the area. It is 5 of 5 in the series titled "Trapezoid Height and Base."
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 Isosceles Trapezoids: Lesson 5
This lesson [3:38] 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 5 of 5 in the series titled...
Sophia Learning
Sophia: Coordinate Geometry of Isosceles Trapezoids: Lesson 1
This lesson [7:37] 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 1 of 5 in the series titled...
Sophia Learning
Sophia: Area
This lesson will teach you how to find the area of various shapes as well as provide some example problems. Student watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Median Line of a Trapezoid: Lesson 5
This lesson will help you name the line segment whose endpoints are the midpoints of the the legs (non-parallel sides) on a trapezoid. It is 5 of 5 in the series titled "Median Line of a Trapezoid."
Expansion Learning
Expansion Learning: Shape Basics (Part Three)
Video provides students with an explanation of the basic shapes of hexagon, trapezoid, and parallelogram.