This allows the user to measure the radius of the circular-shaped geometries such as arcs, circles, cylinders, and spheres.

Figure 1 Circular icon in the Measure group of the Home tab

Figure 2 Circular Geometry dialog box
•Curve(Edge) type
•Geometry: Inputs an edge geometry.
•Surface, Solid type
•Geometry: Inputs a surface or solid geometry.
•Result
•Radius: Shows the calculated radius of the selected geometry.
•Arc Length: Shows the total length of the selected geometry.
•Center Point: Shows the center point of the selected geometry.
•Preview: Shows Center Point in the Working Window.

Figure 3 Preview Center Point of Circular Geometry
Step to Calculate a Radius
1. Select a type between Edge and Surface, Solid.
2. Select or specify a geometry for the selected geometry type in the Step 1.
3. Click Calculate.