Question
GHJ and HJK are two identical equilateral triangles. GH = HL and KJ = JM.  Given that GK = 48 cm and LM = 84 cm, find the total unshaded areas.
3 m

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GHJ and HJK are two identical equilateral triangles. GH = HL and KJ = JM.  Given that GK = 48 cm and LM = 84 cm, find the total unshaded areas.