Answer:
10π
Step-by-step explanation:
Length of the arc = circumference
Circumference formula = 2πr, for a circle, so for a semicircle, it is just πr
r=10
answer = 10π
Answer:
D
Step-by-step explanation:
y = 4 is a horizontal line which would be parallel to the x axis
The question is asking which of the following does not have side that are parallel. So which of them have lines that would never touch if they were never ending lines.
