[url=http://www.corestandards.org/Math/Content/6/G/A/1/]CCSS.MATH.CONTENT.6.G.A.1[/url][br][br]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.