Question
PSLE
Gwen has some cards in the shape of rhombuses of sides 9 cm. She placed them in a row to form a parallelogram of perimeter 288 cm. How many cards did Gwen use?
2 m

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PSLE
Gwen has some cards in the shape of rhombuses of sides 9 cm. She placed them in a row to form a parallelogram of perimeter 288 cm. How many cards did Gwen use?