Rectangle
v0.0.1
Thinking...
b = 300 mm
h = 200 mm
Area = b*h = 60000 mm2
Perimeter = 2*b+2*h = 1000 mm
Second Moment of Area (Moment of Inertia)
About the x-axis (located at centroid):
Ix = b*h3/12 = 200000000 mm4
Iy = h*b3/12 = 450000000 mm4
Summary of Values
b = 300 mm
h = 200 mm
Area = b*h = 60000 mm2
Perimeter = 2*b+2*h = 1000 mm
Second Moment of Area (Moment of Inertia)
About the x-axis (located at centroid):
Ix = b*h3/12 = 200000000 mm4
Iy = h*b3/12 = 450000000 mm4