Answer:
27.8 degrees
Step-by-step explanation:
The total area is 407.4262m²
40/27
-1/4(4/9-3x)-2/9=7/9
-1/9+3/4x=7/9+2/9
3/4x=9/9-(-1/9)
3/4x=9/9+1/9
3/4x=10/9
x=(10/9)/(3/4)
x=(10/9)(4/3)
x=40/27
4 times x -10 times 2
i think
