find the probability of the shaded region (help asap pls)

Question

problem image :

https://drive.google.com/file/d/1lV2WaI6HYJXI8ITIrBSibUxe_ZRol70F/view?usp=sharing

1. pls help.. i have no idea what is the answer and i am struggling

Answer 1

1)Find Surface Area of the Square = 8x8 = 64

2) Next, find Surface Area of each Triangle =

= (4 triangles)((1/2) base x height)

= (4)(0.5)(4)(4)

= 32

3) 32/64 = 0.5 =50%

Your answer is 50%