The length of each equal side of an isosceles triangle is 25 cm and the included angle between those two sides is 90°. Find the area of triangle.

Options

A. a. `625//2" cm"^2`
B. b. `225//2" cm"^2`
C. c. `125//2" cm"^2`
D. d. `225" cm"^2`

Answer

B