geometry.circle.title
geometry.circle.description
geometry.circle.inputMethod
geometry.circle.visualization
geometry.circle.circleProperties
geometry.circle.radius
5.0000
geometry.circle.diameter
10.0000
geometry.circle.circumference
0,0000
geometry.circle.area
0,0000
geometry.circle.formulas
geometry.circle.circumferenceC = 2πr
geometry.circle.areaA = πr²
geometry.circle.diameterd = 2r
geometry.circle.piConstant
π ≈ 3.14159265359...
geometry.circle.education.whatIs.title
geometry.circle.education.whatIs.content
geometry.circle.education.parts.title
geometry.circle.education.parts.content
geometry.circle.education.applications.title
geometry.circle.education.applications.content