General Right Prism Bh SA 2 B Ph is the area of the base and P is the perimeter of the base.

What is the area of each black and white piece if the whole square measures 20 cm on each side? What percent of the area of the large square is the small shaded square?

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Area, perimeter, and circumference are all measures of two-dimensional shapes. These are things you can think of as flat: a football field, a piece of paper, or a pizza.

For more information and examples of these calculations see: Calculating Area, Three-Dimensional Shapes and Calculating Volume.

Find the area of the shaded region in each places if required. (Use π = 3.14) gure. Round your answer to 2 decimal.

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