Composite Figures, SM-Bank 006

Find the perimeter of the figure below correct to two decimal places. (2 marks)

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\(164.25\ \text{cm (2 d.p.)}\)

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\(\text{Perimeter}\)	\(=2\ \text{straight sides}+2\ \text{semi-circles (ie 1 circle)}\)
	\(=2\times 35+\pi d\)
	\(=70+\pi \times 30\)
	\(=164.2477\dots\)
	\(=164.25\ \text{cm (2 d.p.)}\)