How to Use pentagonal in a Sentence

pentagonal

adjective

• This pentagonal structure is the part that rubs up against the C ring.
  — Quanta Magazine, 20 Apr. 2026
• Each pentagonal ring turns like a turnstile, one-tenth of a revolution at a time.
  — Quanta Magazine, 20 Apr. 2026
• The tiles form pentagonal arrangements, yet pentagons can’t fit snugly side by side to tile the plane.
  — Patchen Barss, Wired News, 5 Oct. 2025
• The mural’s background is in shades of blue, complemented by blue-and-white pentagonal shapes, white stars and red daisies.
  — USA TODAY, 12 Jan. 2018
• The result is a cluster of pentagonal buildings with angles designed to deflect wind.
  — David Nikel, Forbes, 10 Apr. 2021
• When placed on a hot surface, about 200°C, one set of hinges folds and the robot curls into a pentagonal wheel.
  — IEEE Spectrum, 23 Aug. 2019
• Every second, more than 2,000 of them pass through the pentagonal turnstiles.
  — Quanta Magazine, 20 Apr. 2026
• Each stator consists of two central proteins that dangle from the cell wall and five proteins of a different kind that form a pentagonal ring around the pair.
  — Quanta Magazine, 20 Apr. 2026
• The architects and designers came up with a unique pentagonal plan for the building that would maximize the site’s odd dimensions.
  — Alicia Ault, Smithsonian, 10 Apr. 2017
• According to park rangers, the pentagonal fort could be equipped with more than 200 cannon, which could deter enemies with a ring of fire.
  — Patricia Harris, BostonGlobe.com, 20 Apr. 2023
• The asymmetric positioning of two proteins inside a pentagonal ring allows a proton from outside the cell to weakly bond to one of them.
  — Quanta Magazine, 20 Apr. 2026
• Their pentagonal shape was designed to match the bridge’s central tower, and even the seven light fixtures per pole are meant to represent the seven struts on the central tower.
  — Nathan Hurst, WIRED, 30 July 2012
• The proteins of the human papilloma viruses, for instance, were arranged in five-fold pentagonal structures, rather than hexagonal ones.
  — Quanta Magazine, 19 July 2017
• Moreover, stone 62 has a peculiar pentagonal cross section that appears to match the imprint left by one of the stones that were removed from the ancient Welsh circle.
  — National Geographic, 19 July 2022
• This pentagonal design involves extending a loop of a fishing leader down through five metal ferrules, or tubes; lassoing some hair on a sedated polar bear; and pulling it back through.
  — Sarah Kuta, Smithsonian Magazine, 13 Jan. 2023
• When designing the plaza, Baines had the idea to place a large pentagonal flagpole in the middle, with each side representing a branch of the military, just like the granite base of the sculpture.
  — Kyle Ringo, Houston Chronicle, 27 May 2018
• These are attracted to places where hexagonal arrangements of carbon atoms attach to pentagonal arrangements — intersections that appear all over fullerenes.
  — James R. Riordon, Quanta Magazine, 20 Dec. 2022
• When designing the memorial plaza, Baines had the idea to place a large pentagonal flagpole in the middle, with each side representing a branch of the military, just like the granite base of the sculpture.
  — Kyle Ringo, San Antonio Express-News, 27 May 2018
• The theater is made up of 316 individual hexagonal and pentagonal shapes in 16 different sizes.
  — Anthony D'alessandro, Deadline, 21 July 2026
• Marjorie Rice, a California housewife, found a new family of pentagonal tilings in 1975.
  — Erica Klarreich, Quanta Magazine, 4 Apr. 2023
• Crafted with extraordinary precision, the piece features the traditional hexagonal and pentagonal panels of a soccer ball that come together to create a sphere.
  — Rachel Cormack, Robb Report, 22 Jan. 2026
• Its pentagonal grille shape is familiar from elsewhere in the Acura lineup, and the MDX's proportions look sharper and more athletic compared with the current model.
  — Joey Capparella, Car and Driver, 1 Oct. 2020
• Previously an impractical, boxy building, RUF replaced it with an ambitious pentagonal structure with a central courtyard.
  — Oliver Giles, CNN, 26 June 2017
• The enclosure of the latest Stradivari is a complex one—essentially a pentagonal shape when viewed from above—evolved from the elliptical footprint of the original, which launched in the early 2000s.
  — Robert Ross, Robb Report, 28 May 2023
• Kites and darts form the basic units of another kind of Penrose tiling for which Conway proved many interesting theorems about their uncountability, pentagonal symmetry and their other connections to the golden ratio.
  — Quanta Magazine, 20 Nov. 2020
• For example, Palazzo Farnese in Caprarola is a stunning pentagonal palace with beautiful artworks by Renaissance and Mannerist painters.
  — Travel + Leisure Editors, Travel + Leisure, 28 Nov. 2025
• These limbs are positioned according to a regular dodecahedral geometry, a structure defined by 12 pentagonal faces, producing a highly uniform distribution of both force and visual coverage.
  — Jijo Malayil, Interesting Engineering, 27 May 2026