Question
NPQ and PQR are two identical equilateral triangles. NP = PS and RQ = QT.  Given that NR = 52 cm and ST = 90 cm, find the total unshaded areas.
3 m

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NPQ and PQR are two identical equilateral triangles. NP = PS and RQ = QT.  Given that NR = 52 cm and ST = 90 cm, find the total unshaded areas.