Question
FGH and GHJ are two identical equilateral triangles. FG = GK and JH = HL.  Given that FJ = 52 cm and KL = 90 cm, find the total unshaded areas.
3 m

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FGH and GHJ are two identical equilateral triangles. FG = GK and JH = HL.  Given that FJ = 52 cm and KL = 90 cm, find the total unshaded areas.