Check the picture below.
bear in mind that a reference angle, is just the angle the "terminal point" makes with the x-axis, in this case, the green one.
Answer:

Step-by-step explanation:
It’s B ————————————………………
Answer:
13.33%
Step-by-step explanation:
I hope that is useful for you :)
To find this answer you need to multiply the percent by the total, in this case 15% times 140. Remember to change the percent into a decimal (0.15).
0.15 (140)= 21
21 people earned the award