Question

a test tube has a diameter of 3cm . how many turns would a piece of thread of length 90.42 make round test tube​

Answer 1

4.8 turns would be made around the tube

Step-by-step explanation:

You need the circumference of the tube since it's just a lifted circle

2×pi×3=18.85

90.42/18.85=4.79

And round that to 4.8