please answer me fast
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Answer:
572.88
Step-by-step explanation:
First perimeter of that square = 4*side
21*21
441
Diameter of 1 circle=21
Radius of 1 circle=10.5
Circumference of circle=2*pi*r
=2*3.14*10.5
=65.94
65.94 is total circumference of circle
so circumference of semi-circle
=65.94/2
=32.97
There are 4 semi-circle
so 32.97*4
=131.88
Therefore total perimeter =
131.88+441
=572.88
I'm not sure about the answer
but hope you like it.
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