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Instructional Video

What is the Formula for the Area of a Triangle?

Curated and Reviewed by Lesson Planet

The teacher explains how the formula for a triangle was determined. It is related to a parallelogram. What? The formula for the area of a triangle is derived from the area of a parallelogram? Seeing is believing, so watch this video to see the explanation.

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Concepts
area, formulas, height, measurement, parallelograms, polygons, quadrilaterals, triangles
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Additional Tags
area, triangle, formula, base, height, parallelogram, math
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Resource Details
Grade
6th - 10th
Subjects
Math
3 more...
Resource Type
Instructional Videos
Media Length
4:45
Audience
For Teacher Use
Instructional Strategy
Flipped Classroom
Usage Permissions
Fine Print