SOLUTION: find the perimeter of a rectangle that measures 12 inches by 20 inches

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Question 117073: find the perimeter of a rectangle that measures 12 inches by 20 inches
Answer by jim_thompson5910(35256) About Me  (Show Source):
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Solved by pluggable solver: Perimeter of a Rectangle


P=2w%2B2L Start with the general perimeter formula where W is the width and L is the length of the rectangle


P=2%2820%29%2B2%2812%29 Plug in w=20 and L=12


P=40%2B24 Multiply 2%2820%29 to get 40. Multiply 2%2812%29 to get 24


P=64 Add 40 and 24 to get 64


So the perimeter of the rectangle is 64