Question
PQR and QRS are two identical equilateral triangles. PQ = QT and SR = RU.  Given that PS = 46 cm and TU = 78 cm, find the total unshaded areas.
3 m

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PQR and QRS are two identical equilateral triangles. PQ = QT and SR = RU.  Given that PS = 46 cm and TU = 78 cm, find the total unshaded areas.