it would depend how much you actually used, but you would take the amount you used and divide it by the total amount of yarn. so if the yarn was 4m long and you used 2m then it would be 2/4 which is 0.5 which is also 50%, so half the yarn was used.
Answer:
The one you are or were about to pick is correct.
Step-by-step explanation:
There's a very simple rule for geometries like this. The measure of the arc is double the measure of the angle. It helps to remember this.
Your angle is 65°.
The measure of the arc is 2×65° = 130°.