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Area of Irregular Figures

This topic covers finding area of irregular figures. Estimation of area of irregular figure is also covered.

Topic: Estimate the Area of an Irregular Figure

  • Count the number of completely filled or almost filled squares

  • Count the number of half squares

  • Total area = Number of filled squares + (1/2) x Number of half filled squares

  • Ignore squares filled less than half

Topic: Find the Area of an Irregular Figure

  • To find the area of an irregular figure, separate it into smaller, familiar figures

  • Find the area of each smaller figure and add / subtract
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