# Math

Ryan wants to put a fence around a rectangular dog run with a length of 20 meters and width of 12 meters. How many maters of fence does Ryan need?

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### Answers

Ryan would need 64 meters of fence to completely enclose the dog run. To calculate this, you would multiply the length and width of the dog run. For the length, you would multiply 20 meters by 2 (2 sides) which would give you 40 meters. For the width, you would multiply 12 meters by 2 (2 sides) which would give you 24 meters. Then you would add the 40 meters and 24 meters together, giving you a total of 64 meters of fence needed to completely enclose the dog run.