each side of a pentagon is 20 more than the previous side. Find the length of the shortest side of the perimeter is 401
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pentagon has 5 sides. Let the shortest side be x.
Hence the side of pentagon are x,x+20,x+40,x+60,x+80
adding all the sides = perimeter = 401
5x + 200 = 401
5x = 201
x = 40.2
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