The circumference = π x the diameter of the circle (Pi multiplied by the diameter of the circle). Simply divide the circumference by π and you will have the length of the diameter. The diameter is just the radius times two, so divide the diameter by two and you will have the radius of the circle
Answer:
angle B = 78.46°
Step-by-step explanation:
Use the cosine ratio


Hope this helps
I think maybe 3) would make the most sense because she wants a random sample of students and the other options are specific on the type of students.
Answer:
−7
Step-by-step explanation: