Examples, solutions, videos, and worksheets to help grade 6 learn how to find the area of a polygon by decomposing into rectangles or triangles.
There are two sets of area of polygon worksheets.
To find the area of a polygon by decomposition, you can break the polygon into smaller, simpler shapes (typically triangles or rectangles), calculate the area of each of these smaller shapes, and then sum up their areas to find the total area of the polygon.
Here are the steps:
Have a look at this video if you need to review how to find the area of a composite figure.
Have a look at this video if you need to review how to find the area of a composite figure with triangles.
Click on the following worksheet to get a printable pdf document.
Scroll down the page for more Area of Polygon by Decomposition Worksheets.
Area & Perimeter of Rectangles 1
Area & Perimeter of Rectangles 2
Area & Perimeter of Rectangles 3
Area & Perimeter of Parallelogram
Area of Triangle
Area of Parallelograms
Area of Triangle & Parallelogram
Area of Trapezoid (Trapezium)
Area of Shapes
Area of shaded Region
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