Area, SM-Bank 103

Calculate the area of the following composite figure in metres squared. (2 marks)

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\(1116\ \text{m}^2\)

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\(\text{Area}\)	\(=3\times \text{triangles}+1\times\text{square}\)
	\(=\dfrac{1}{2}\times 24\times 12+\dfrac{1}{2}\times 24\times 9+\dfrac{1}{2}\times 24\times 24+24^2\)
	\(=144+108+288+576\)
	\(=1116\ \text{m}^2\)