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Introduction Difference Method for Finding Area

Introduction Difference Method for Finding Area
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When students have not yet developed the distance formula on the Cartesian plane, finding the area of a triangle whose does not have two endpoints with the same respective x-value or y-value is difficult.

Here we introduce the difference method for finding area where we construct a rectangle around that triangle and then compute the triangle's area by taking the difference between the rectangle and the right triangles constructed around the triangle whose area we seek.
Total Pages
1 page
Answer Key
N/A
Teaching Duration
30 minutes
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