Perimeter of what? A circle diameter times Pi. Another shape the sum of all sides.
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Divide the irregular figure into manageable pieces and work out their individual areas, sum the areas to that of the original figure. Measure the perimeter.
We use perimeter to measure the length and breadth so that we can easily find out the measurement of a figure
The perimeter is the sum of all of the sides of the figure. So, simply add up ALL the sides to discover what the perimeter is.
That's because "perimeter" means the distance around something - not the spaces inside. If you count squares inside a figure, you are finding the AREA, not the PERIMETER.
perimeter.