Respuesta :
Answer:
yes
Step-by-step explanation:
1 cm=10mm. if 1cm=10mm what about 9cm
Yes, they are equivalent when he got 9 cm and we got 90 mm while measuring it.
Calculation of the measurement:
Since he used the ruler with centimeters and got 9 cm
And, if he used a ruler with millimeters and got 90 mm
So the measurement should be equal
As we know that 1 cm=10mm
So based on this, they are equivalent
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