The phrase "arranged in circles" is correct and usable in written English.
It can be used to describe objects or people that are organized or positioned in a circular formation.
Example: "The chairs were arranged in circles to facilitate group discussions during the workshop."
Alternatives: "organized in circles" or "set up in circles".
Hypermastigotes' numerous flagella are arranged in circles, tufts, spirals, or transverse rows.
Grunting and stretching, students were arranged in circles, throwing imaginary colored objects at one another: an orange baseball, a jagged fire-engine red boulder, a hot pink feather.
The girl was still alive, but the driver took a six-hour detour into the desert, to a sprawling migrant graveyard, where small rocks arranged in circles marked each of the hundreds of bodies in it.
During the women priests debate 20 years ago everyone sat in fixed high-backed wooden pews arranged in circles within the circular debating chamber; the officers in their wigs and frock coats, and the prolonged almost liturgical drone of male voices in unvarying debate all made the traditional divisions of the Church of England seem entirely solid and fixed.
Kells and Goulson [26] noticed that three species of bumble bees, Bombus lapidarius, Bombus lucorum and Bombus pascuorum, showed preferences in the directions of circling when they visited florets arranged in circles around a vertical inflorescence.
In fact, Kells and Goulson [11] have reported that bumble bees, Bombus spp., show preferred directions of circling as they visit florets arranged in circles around a vertical inflorescence.
Their black hole consists of 60 layers of printed circuit board arranged in concentric circles (see picture below).
Arranged in a circle, the band members played as a band, eschewing the use of headphones and instead using a PA system to monitor performances.
There was not just one moat but three, arranged in concentric circles.
Right now, the labyrinth is just a group of tree stumps arranged in concentric circles.
For fibers arranged in concentric circles the axes of material symmetry coincide with the radial and the circumferential directions.
