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What is the area of a regular decagon with a side length of 7 cm and an apothem of 10.8 cm? What is a polygon that has 1 circular base and 1 curved surface? In coordinates does the x come first or does the y come first? What are the three R's? How do you continue this pattern 7 13 19 while the next eight numbers can not be 25 31 37 43 49 55 61 67 please explain what the problem is and how to solve it?