Mathematics · Mensuration

The side of an equilateral triangle is 28 cm. Taking each vertex as the centre, a circle is described with a radius equal to half the length of the side of the triangle. Find the area of that part of the triangle which is not included in the circles (use π = 22 7 and √3 ≈ 1.732).

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Correct answer

31.08 cm 2

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The side of an equilateral triangle is 28 cm. Taking each vertex as the centre, a circle is described with a radius equal to half the length of the side of the triangle. Find the area of that part of the triangle which is not included in the circles (use &pi; = 22 7 and &radic;3 &asymp; 1.732).