How to figure out the area and perimeter of compound shapes?

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How to figure out the area and perimeter of compound shapes?

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Josie 4 weeks 2021-09-23T11:11:00+00:00 1 Answer 0

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    2021-09-23T11:12:53+00:00

    To find the perimeter, we simply add up the lengths of each outside edge. It may be helpful to look out for number bonds when adding the sides.

    If we split the shape up into rectangles, then it will become a lot easier to find the area of the total shape.

    To find the area, you can use these 4 steps:

    1.) Split your compound shape into a series of rectangles.

    2.) Work out the missing lengths you need around the edge.

    3.) Work out the area of each separate rectangle. (Remember that this is done by multiplying the length by the width.)

    4.) Add these separate areas for each rectangle up together to find the total area of the compound shape.

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45:7+7-4:2-5:5*4+35:2 =? ( )