Answer:
257.1
Explanation:
The squares area is 100
There are 4 semicircles, aka, 2 full circles with diameter 10.
Radius is 5. Area of a circle radius 5 is 25 pi, Area or 2 circles with radius 5 is 50 pi.
50 pi is approximately 157.08
100 + 157.1 is 257.1.
Hope this helps!