The area is 32 cm2
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A square with a side length of 2 cm has an area of 4 square cm.
The area of square is : 144.0
Perimeter = 29 cm so each side is 7.25 cm. The triangle formed by the diagonal and two sides has sides of 7.25, 7.25 and 11.8 cm so, using Heron's formula, its area is 24.9 square cm. Therefore, the area of the rhombus is twice that = 49.7 square cm.
Square centimeter, a unit of area: the area equivalent to a square that has a side length of 1 cm.
All four sides of a square are equal in length, therefore: area = length of a side squared length of a side = √[area] length x 4 = perimeter If the area is in cm² the length will be in cm.