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Playlist - Visit the complete playlist of videos on YouTube.

Worksheets - Get extra practice on these concepts with custom worksheets.

Learn how to find the area of a rectangle by breaking down a rectangle and by using the equation A = lw.

Learn how to find the area of a square by breaking down a square. See how the equation A=s² relates to the equation A = lw.

Learn what it means to find the perimeter of a polygon and then learn how to use the math to figure out the perimeter.

Rectangles and squares have more than one method for finding their perimeters. Learn if these methods are all valid methods of finding the perimeter of these figures

Learn how to find the area of a triangle using either the equation A = bh/2 or A = 1/2 bh.

Learn how to find the area of a parallelogram using the equation A = bh.

Learn how to find the area of a trapezoid by finding the sum of the bases divided by two then multiplied by height.

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