Answer:
pi4
Step-by-step explanation:
Formula is piD, diamter is 4, so pi4 which equals 12.56
BRAINYLIST
3 months, i just answered this same question lol.
When you reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate is transformed into its opposite (its sign is changed). If you forget the rules for reflections when graphing, simply fold your paper along the x-axis (the line of reflection) to see where the new figure will be located.p explanation: