Instructional Video9:15
KnowMo

Calculating the Area of Parallelograms and Trapezia

12th - Higher Ed
This video is a lecture on parallelograms and trapeziums, and how to find their respective areas. The instructor begins by explaining what area is and how it is calculated by multiplying two side lengths together. They then move on to...
Instructional Video
Sophia Learning

Sophia: Median Line of a Trapezoid: Lesson 2

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Trapezoid: Lesson 4

7th - 8th
This lesson explains the definition, components, and notations involved in a trapezoid. It is 4 of 7 in the series titled "Trapezoid."
Instructional Video
Sophia Learning

Sophia: Trapezoid: Lesson 7

7th - 8th
This lesson explains the definition, components, and notations involved in a trapezoid. It is 7 of 7 in the series titled "Trapezoid."
Instructional Video
Sophia Learning

Sophia: Trapezoid: Lesson 6

7th - 8th
This lesson explains the definition, components, and notations involved in a trapezoid. It is 6 of 7 in the series titled "Trapezoid."
Instructional Video
Sophia Learning

Sophia: Median Line of a Trapezoid: Lesson 5

9th - 10th
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."