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Total 4 dotted line = 30 cm
100 dotted line = 100ⅹ30÷4
= 750 cm
Total of both length = 750 + 750 cm = 1500cm
Hope this helps
100 dotted line = 100ⅹ30÷4
= 750 cm
Total of both length = 750 + 750 cm = 1500cm
Hope this helps