Answer:
Step-by-step explanation:
<u><em>answer may vary sorry i could not seem to get this question sorry try asking someone else </em></u>
Answer:
40 square units
Step-by-step explanation:
First of all, lets say that square has side
, so, the area unit is 
the diagonal's square is 
CALCULATION OF TRIANGLES'S AREA (there are 4 triangles)

CALCULATION OF MAIN SQUARE AREA

TOTAL AREA
