AC9M8M01
solve problems involving the area and perimeter of irregular and composite shapes using appropriate units
Elaborations
- AC9M8M01_E1determining the area of composite shapes by composing or decomposing shapes
- AC9M8M01_E2using arrays and rectangles to approximate the area of irregular shapes in situations such as a council needing to work out how much mosquito spray to use for a swamp area or a farmer needing to work out how much seed, fertilizer and herbicide are required to cover a paddock
- AC9M8M01_E3determining the perimeter and area of irregular shapes by sums of increasingly accurate covering measurements, such as line segments and grids; for example, using millimetres or square millimetres as opposed to centimetres or square centimetres
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