Answer:
180.5
Explanation:
The area will be the sum of all triangles' areas.
Triangle area =

A1 =

the other top triangle has the same area so A1+A2 = 33.25*2 = 66.5.
A3 =

the other bottom triangle has the same area so A3+A4 = 57*2 = 114.
Then, the area is A1+A2+A3+A4 = 66.5+114 = 180.5