Question
DEF and EFG are two identical equilateral triangles. DE = EH and GF = FJ.  Given that DG = 48 cm and HJ = 84 cm, find the total unshaded areas.
3 m

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DEF and EFG are two identical equilateral triangles. DE = EH and GF = FJ.  Given that DG = 48 cm and HJ = 84 cm, find the total unshaded areas.