The area of an equilateral triangle ABC is 17320.5 cm^{2}. With each vertex of the triangle as centre, a circle is drawn with radius equal to half the length of the side of the triangle (See the given figure). Find the area of shaded region. [Use π = 3.14 and]

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Let the side of the equilateral triangle be *a*.

Area of equilateral triangle = 17320.5 cm^{2}

Each sector is of measure 60°.

Area of sector ADEF

Area of shaded region = Area of equilateral triangle − 3 × Area of each sector

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