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Geometry
# Composite Figures

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The shape above is filled with 7 identical circles with radius 3. What is the perimeter of the shape?

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\(\square{ABCD}\) is a square in which 2 semicircles are overlapping. If \(\overline{DC}=2\), what is the perimeter of the colored region?

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What is the perimeter of the shape above?

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In the above diagram, 2 semicircles are overlapping in a quarter circle with radius \(\overline{BC}=4\). What is the area of the colored region?

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6 identical circles with radius 1 are piled as above. What is the perimeter of the colored region?

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