Perimeter of a Rectangle

Описание к видео Perimeter of a Rectangle

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When you start doing perimeter of a rectangle, you are given a length and width on a diagram.
3 ways you can find the perimeter:
1. add all the sides
2. doubling strategy, that's a bit quicker
And then there's my favourite method...
3. The fastest way of doing it, least calculations involved.
See them all, decide which you like best. Ace your math.
CC: by me (they start around 21 seconds because earlier on it's all text on screen)

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