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Mathematics 17 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

OpenStudy (lucaz):

perimeter is the sum of the sides, the rectangle 1 is 5x8, what is the perimeter? 5+5+8+8=26, if you have 2 rectangles it becomes a (5+5)x8 rectangle, which is 10x8 with perimeter 10+10+8+8=36, what is the perimeter of the 3 rectangles together?

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