hell no
It is hard to draw one here and do you mean radius 7 mm or diameter 7mm
diameter = 2*7 = 14mm
A 7 mm diameter circle is the equivalent of a circle with a 0.275-inch diameter.
The cord of a circle that contains the center of that circle is a diameter of that circle.
You do a diameter circle!!
A 7mm bead is .275 inches in diameter (through the hole).
A 7mm pencil lead is thicker than a 5mm pencil lead. The diameter of the lead determines its thickness, so the lead with a larger diameter will be thicker.
The 7mm designation is a reference to the bore size, or diameter. In decimal size it means this rifle has a barrel groove diameter of .284 inch.
Draw a straight line that bisects the circle and passes through the center.
If you mean the diameter of a circle with area pi, then the diameter is 2. If you mean the diameter of a circle with circumference pi, then the diameter is 2. If you mean the diameter of a circle with diameter pi, then the diameter is pi. If you mean the diameter of a circle with radius pi, then the diameter is 2pi.
A circle with a diameter of 28 is a circle.