The center of a wheel or circle is called a hub.
hub
"Tangent" to a circle means touching the circle at one point, and only one point. Think of a skinny bicycle wheel standing on the ground. The ground is 'tangent' to the wheel.
Seventh wheel
Clock face Bicycle wheel Steering wheel Tin can Roundabout
The center of a wheel or circle is called a hub.
The circle in the wheel is called the rims
the wheel The part that turns people in a circle.
the creator of the wheel was a caveman what was supposed to be a square was a circle so the wheel
hub
"Tangent" to a circle means touching the circle at one point, and only one point. Think of a skinny bicycle wheel standing on the ground. The ground is 'tangent' to the wheel.
It is called the hub.
Seventh wheel
hubHub
It is called the hub.
The Greek word "kuklos" means circle or wheel.
Clock face Bicycle wheel Steering wheel Tin can Roundabout