What is one equation for diameter
2xr
Circumference/ π
D=(2)(√Aπ)
What is an equation for the radius?
r = C/2π
r = D/2
What is the equation for circumference?
C = 2πR
What is the equation for the area of a circle?
A=πr2
What is the diameter of a circle with a radius of 12.5
25
What is the radius of a circle with the diameter of 56
28
What is the circumference of a circle with a radius of 4
25.12
What are the common digits of pi
3.14
What is the diameter of a circle a circumference of 67 (round)
21
Radius of a circle with a diameter of 123.3
61.65
What is the circumference of a circle with a radius 6
18.8
Area of a circle with a radius of 5
31
Diameter of a circle with a radius of 29.25
58.5
Radius if a circle with a circumference of 26
3
Circle with a radius of 9
28.27
What is the equation of a circle
(x-h)2 + (y-k)2 = r2