Four equilateral triangles are described on the four sides of a rectangle with perimeter 12 cm. If the sum of the area of four triangles is 10 cm^{2 },what is the area of the rectangle?

(a)

5cm^{2}

(b)

8 cm^{2}

(c)

9 cm^{2}

(d)

6.75 cm^{2}

Question ID - 50145 :-

Four equilateral triangles are described on the four sides of a rectangle with perimeter 12 cm. If the sum of the area of four triangles is 10 cm^{2 },what is the area of the rectangle?

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