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: List one attribute that each of the following pairs of shapes have in common. There may be more than one correct answer.
a.   Square and rhombus
b.   Square and rectangle
c.   Square and parallelogram
d.   Square and trapezoid
e.   Square and quadrilateral


aligns: no