pie .
parabola
Photosynthesis
To draw circles you need to use a compass
Revolving.
In Smoke Circles, Victor's dad's name is Arnold Joseph.
The name for the units scientists use for circles are degrees.
Stonehenge
a compass
Periorbital dark circles , (also dark circles or raccoon attack).
l'arc-en-ciel, plural: des arcs-en-ciel.
A sphere.
A quadrant.