Step-by-step explanation:
Length of arc of a circle is given as:

Thus, the measure of central angle is 140°.
Answer:
4/8.
Step-by-step explanation:
4/8 is the correct answer for this question. This is why. If you take 8 and divide it in half, your answer will be 4. Also because fractions are division so the fraction 8/2 equals 4. This means the 1/2 mark is equal to 4.
Answer:
1/10
Step-by-step explanation: