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The area of an equilateral triangle is 1...

The area of an equilateral triangle is `100sqrt(3)cm^(2)`. Taking each vertex as centre, a circle is described with radius equal to half the length of the side of the triangle, as shown in the figure. Find the area of that part o the triangle which is not included in the circles.
[Take `pi=3.14` and `sqrt(3)=1.732`]

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The correct Answer is:
`7.7cm^(2)`
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