Perimeter and Area of Composite Figures

Perimeter and Area of Composite Figures

TGM Original Questions

In the figure below, arcs \(BAC\), \(DAE\) are semicircles and arcs \(BD\), \(CE\) are quadrants that are fitted in a grid consisting of \(8\) identical squares of length of sides of \(2\) cm. Find the perimeter and the area of the shaded region. Leave your answer in terms of \(\pi\).

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Answer:Perimeter \(=8\pi\text{ cm}\) Area \(=(8\pi-16)\text{ cm}^2\)

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