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An answer key is conveniently provided at the end of the document, ensuring that students and educators can immediately verify their solutions and grasp the correct calculation methods. This material is highly suitable for primary and middle school mathematics curriculum support, offering a clear and structured approach to learning perimeter concepts through practical application. 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They are not to scale.  \n| 1)\u003Cbr>20 cm\u003Cbr>\u003Cbr>| 2)\u003Cbr>4 ½ mm |  | |\n| --- | --- | --- | --- |\n|  | 6 mm |  |  |\n| Perimeter =   cm | Perimeter =   mm |  |  |\n| 3)\u003Cbr>4 ½ cm\u003Cbr>\u003Cbr>\u003Cbr>7 ½ cm\u003Cbr>Perimeter =   cm | 4) | 1 ¼ m |  |\n|  |  | \u003Cbr>½ m\u003Cbr>¾ m\u003Cbr>½ m\u003Cbr>|  |\n|  |  | 1 ½ m |  |\n|  | Perimeter =   m |  |  |\n| 5) 3 ½ km\u003Cbr>1 ¼ km\u003Cbr>| 6) | |  |\n| 2 ½ km | 3.8 cm |  |  |\n| Perimeter =   km | Perimeter =   cm |  |  |\n\nName Date  \nPERIMETER OF 2D SHAPES 3A ANSWERS  \n| 1)\u003Cbr>20 cm\u003Cbr>\u003Cbr>| 2)\u003Cbr>4 ½\u003Cbr>mm\u003Cbr>\u003Cbr>6 mm |  |\n| --- | --- | --- |\n| Perimeter = 120 cm | Perimeter = 18 mm |  |\n| 3)\u003Cbr>4 ½ cm\u003Cbr>\u003Cbr>\u003Cbr>7 ½ cm\u003Cbr>Perimeter = 24 cm | 4) | 1 ¼ m |\n|  |  | \u003Cbr>½ m\u003Cbr>¾ m\u003Cbr>½ m\u003Cbr>|\n|  |  | 1 ½ m |\n|  | Perimeter = 4 ½ m |  |\n| 5) 3 ½ km\u003Cbr>1 ¼ km\u003Cbr>2 ½ km\u003Cbr>Perimeter = 8 ½ km\u003Cbr>| 6) | \u003Cbr>3.8 cm\u003Cbr>Perimeter = 11.4 cm |","cbCaiawE87zz4NnL","https://ap.wps.com/l/cbCaiawE87zz4NnL","pdf",145795,"English","# Exercises\n## Answer Key","[{\"question\":\"What is the goal of this document?\",\"answer\":\"The document serves as a practice worksheet to help students calculate the perimeter of various two-dimensional shapes using different units of measurement.\"},{\"question\":\"What units are used in these perimeter problems?\",\"answer\":\"The problems utilize various units including centimeters (cm), millimeters (mm), meters (m), and kilometers (km).\"},{\"question\":\"Is there a way to verify the answers for these problems?\",\"answer\":\"Yes, the document provides an 'Answers' section at the end that lists the correct perimeter values for each of the six problems presented.\"}]","Perimeter of 2D Shapes 3A - Practice Worksheet | PDF",1792680566]