Rectilinear Figures, SM-Bank 011

This shape is made from eight equilateral triangles and one large parallelogram.

Each side of all the small triangles is 4 cm long.

What is the perimeter of the shape? (2 marks)

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\(48\ \text{cm}\)

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\(\text{Perimeter from the top left corner (clockwise)}\)

\(=12+4+4+4+4+8+4+8\)

\(=48\ \text{cm}\)