Example 04 The figure shown below consists of arcs of four semi-circles with centers at the midpoints of the sides of a square. The square measures 20 cm by 20 cm. Find the area bounded by these circular arcs shaded in the figure shown.
Solution 04
$A_1 = 28.54 \, \text{ cm}^2$
Required Area $A_{required} = 8A_1 = 8(28.54)$
$A_{required} = 228.32 \, \text{ cm}^2$ answer
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