The diagram is a cross section of the bowl blank with the desired circular arc superimposed.
Now he turned the ship ninety degrees, beginning a wide circular arc with Sol at its center.
It is not actually a circle, but rather a combination of different circular arcs that have been feathered together.
The seat was simpler with a single circular arc on the sides and had no seat hood.
This measure is the ratio of the length of a circular arc to its radius.
Each parallel is a circular arc of true scale.
She followed his beam as it inscribed a long circular arc on the wall.
Straight lines on the sphere are projected as circular arcs on the plane.
A circular arc marked where the stasis field had intersected the ground.
So the projection lets us visualize planes as circular arcs in the disk.