a half-diameter is a radius.
Yes, they all are.
5cm since radius is one half the diameters.
No. You can cut a piece off of a circle in millions of ways without cutting it in half.
There are infinite amount of diameters.
No, all chords are not diameters, though all diameters are chords.
There are infinite diameters within a circle.
Hanyou
A diameter is a cord in a circle containing the center of the circle. But some circles are sections of spheres. Not all diameters are diameters of spheres.
This question does not make sense. All chords are not, in fact, diameters. Actually, only chords that pass through the center of a circle are diameters.
To convert centimeters to inches, divide by 2.54.
STP diameters are restricted by convergence times.