Question
NPQ and PQR are two identical equilateral triangles. NP = PS and RQ = QT.  Given that NR = 42 cm and ST = 72 cm, find the total unshaded areas.
3 m

Click button first when a symbol is required. X

NPQ and PQR are two identical equilateral triangles. NP = PS and RQ = QT.  Given that NR = 42 cm and ST = 72 cm, find the total unshaded areas.