## Elementary Geometry for College Students (6th Edition)

105.125 $cm^{2}$
The length of the diagonal of the square d = 14.5 cm We know the area of the square whose diagonal has length d is A = $\frac{1}{2} d^{2}$ therefore A = $\frac{1}{2} (14.5)^{2}$ =105.125 $cm^{2}$