To find the length of each side of the placemat, you would divide the perimeter by 4 since a placemat typically has four sides. Therefore, 1489 cm ÷ 4 = 372.25 cm. Each side of the placemat would be approximately 372.25 cm long.
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The perimeter is 7 cm
Area: 54 square cm Perimeter: 30 cm
The perimeter of a rhombus is the sum of its 4 sides
Perimeter = 2+2+2+1.5+2.5 = 10 cm
Any 2-dimensional shape can have a perimeter of 14 cm.