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Mathematics, 14.07.2019 08:00 chinadoll24

The following figure is made of six semicircles with the same diameter, and of four congruent equilateral triangles represented by aeg, egf, bef, and gfc. if ae = 3cm, then the area of this figure is, in cm2, equal to: a)  9(3\pi + 4\sqrt{3} ) b)  4(3\pi + 4\sqrt{3} ) c)  \frac{9}{4}(3\pi + 4\sqrt{3}) d)  \frac{4}{9}(3\pi + 4\sqrt{3}) "c." why is it letter "c"? no matter what i try, i cannot obtain this result. does anyone know the correct procedure for this?

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