The length of each equalside ofan isosceles triangle is 15 cm and the included angle between those twosidesis 90°.Find the area ofthe triangle.

A

225 $$cm^{2}$$

B

$$\frac{255}{2}$$ $$cm^{2}$$

C

$$\frac{125}{2}$$ $$cm^{2}$$

D

$$\frac{225}{2}$$ $$cm^{2}$$