Rectilinear Figures, SM-Bank 020

Tatiana is cutting a piece of material in the shape of a parallelogram for a sewing project.

The longer sides are one and two-thirds times the length of the shorter sides.

What is the perimeter of the piece of material? (2 marks)

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\(96\ \text{cm}\)

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\(\text{Longer side}\)	\(=\dfrac{5}{3}\times 18\)
	\(=30\ \text{cm}\)

\(\therefore\ \text{Perimeter}\)	\(=2\times 18 +2\times 30\)
	\(=96\ \text{cm}\)