Perimeter of rectangle?

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1 Answer
Jun 27, 2018

"Perimeter"=40 "cm"

Explanation:

Let P be the perimeter of this figure.

P = AB+BC+CD+DE+EF+FA

Notice how AB=EF+CD and BC=AF+DE.

AB = 5+7=12"cm"

8=3+DE => DE = 5"cm"

P = 12+8+7+5+5+3=40 "cm"