standard_description: Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.
problem_activity: Task
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Say what a trapezoid is in your own words. Compare your definition with a partner.
Is this parallelogram a trapezoid according to your definition? Explain.
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aligns: no