jabacus - Planar Geometry - circle properties

Circle

version 0.0.1

Project:

Geometry

Radius, r:

Diameter d:

Geometric Properties

Area, A:

mm²

Circumference, C:

Second Moment of Area (Moment of Inertia)

About the x-axis and y-axis (located at centroid)

Iy = Ix:

mm ⁴

Thinking...

Summary of Values

radius, r = 300 mm

diameter, d = 600 mm

Area = pi*r² = 282743.3388 mm²

Circumference = pi*r*2 = 1884.9556 mm

Second Moment of Area (Moment of Inertia)
About the x-axis or y-axis (located at centroid):
Ix = Iy = pi*r⁴/4 = 6361725123.5193 mm⁴