20 questions
The homeowners association wants to enclose the playground in a fence. So they need to figure out how much fencing will they need to purchase. Is this question finding the area or the circumference of a circle?
area
circumference
neither
What number is pi?
1.41
2.00
3.14
5.14
What two formulas can you use to find the circumference?
C = π·d
C = π·r2
C = 2·π·r
C = d2
If you divide the circumference of a circle by its diameter, what answer will you always get?
The radius
The area
Pi
cake
To find the circumference of a circle, you must multiply the ________________ by 3.14.
circumference
area
radius
diameter