Level 2 PSLE Dina has some cards in the shape of rhombuses of sides 4 cm. She placed them in a row to form a parallelogram of perimeter 168 cm. How many cards did Dina use?
Level 2 PSLE Dina has some cards in the shape of rhombuses of sides 4 cm. She placed them in a row to form a parallelogram of perimeter 168 cm. How many cards did Dina use?