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Awesome work Ruby. I can see that you have tried hard to think about area and perimeter for the blue and red rectangle. Remember when we count the perimeter, we find the length of each side and add them all together. So for the blue rectangle there are 2 sides that are 11cm long, and 2 sides that are 3cm long. We would go 11+11+3+3=28cm. Can you try that for the red rectangle on Slide 3?
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Awesome work Ruby. I can see that you have tried hard to think about area and perimeter for the blue and red rectangle. Remember when we count the perimeter, we find the length of each side and add them all together. So for the blue rectangle there are 2 sides that are 11cm long, and 2 sides that are 3cm long. We would go 11+11+3+3=28cm. Can you try that for the red rectangle on Slide 3?
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