Trapezoid Teacher Resources
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Trapezoidal and Midpoint Approximations: Area of a Skirt
11th - Higher Ed
When are trapezoids better than rectangles? Using trapezoids pupils approximate the area of fabric defined by a function. Just like with rectangles, learners realize the more trapezoids the more accurate the approximation. Scholars use...
Area and Perimeter of Trapezoids: Lesson
4 mins 6th - 11th CCSS: Adaptable
With a little averaging, a trapezoid becomes a parallelogram. The section of an extensive geometry playlist shows how to derive the formula for the area of a trapezoid by changing it into a parallelogram. Using the formula, the video...
What is the Formula for the Area of a Trapezoid?
6 mins 6th - 10th
Make a parallelogram out of two trapezoids to find the area of one trapezoid? Sounds pretty complicated. Well, it's not complicated but there are a lot of steps. The instructor does a pretty good job of diagramming and explaining just...
Areas of Trapezoids
9 mins 6th - 9th CCSS: Adaptable
New ReviewDon't get tripped up by trapezoids. An enlightening video first shows how to derive the formula for the area of a trapezoid by partitioning the figure and rearranging it into a triangle. It then works through two examples of finding the...