Question
PSLE
Xuan has some cards in the shape of rhombuses of sides 11 cm. She placed them in a row to form a parallelogram of perimeter 330 cm. How many cards did Xuan use?
2 m

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PSLE
Xuan has some cards in the shape of rhombuses of sides 11 cm. She placed them in a row to form a parallelogram of perimeter 330 cm. How many cards did Xuan use?