6.G.A.1
Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; know and apply these techniques in the context of solving real-world and mathematical problems.
Khan Academy ResourcesArea of parallelogramsArea of trianglesArea of parallelogramsArea of trianglesFind missing length when given area of a triangleArea of right trianglesFind missing length when given area of a parallelogramDecompose area with trianglesArea of composite shapesFind base and height on a triangleArea of a triangleFinding area by rearranging partsArea of a parallelogramArea of composite shapesArea of quadrilateral with 2 parallel sides

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