Question

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The following shape is based only on squares, semicircles, and quarter circles. Find the area of the shaded part.

Answer 1

36.53 cm²

Explanation:

Picture this repeated four times to make a circle. The circle would have a radius of 8.
`\pi`r² would give us 201.06. One quarter of that would be 50.265.

The area of the square is length times width, or 8X8=64.

64-50.265=13.735. That would be ONE of the non shaded sections of the square. If you take that away twice, the leftover part would be the shaded area.

64-13.735-13.735=36.53 cm²