Finding the Area of a Right Triangle by Composing a Rectangle

This lesson teaches how to find the area of a right triangle by composing a rectangle. It begins with a review of calculating the area of a rectangle and explains that a right triangle is half of a rectangle. The lesson includes examples of creating congruent triangles to form rectangles and calculating their areas, followed by dividing the rectangle's area by two to find the triangle's area. The lesson concludes with a summary of the key concepts.

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