Definitions Found:
a plane figure with twelve sides
- dodecagonsA plane figure with twelve sides
- dodecagona plane figure with twelve sides
- dodecagonsDODECAGON, a plane figure with twelve sides
- dodecagonallike a dodecagon, a plane figure with twelve sides
- dodecahedronsA three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces
- dodecahedraA three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces
- dodecahedronA three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces
- hexagonsA plane figure with six straight sides and angles
- heptagonsA plane figure with seven straight sides and angles
- pentagonsA plane figure with five straight sides and five angles
- triangleA plane figure with three straight sides and three angles
- trianglesA plane figure with three straight sides and three angles
- parallelogramA four-sided plane rectilinear figure with opposite sides parallel
- quadranglea plane figure with four angles (and therefore four sides)
- parallelogramsA four-sided plane rectilinear figure with opposite sides parallel
- quadranglesQUADRANGLE, a plane figure with four angles (and therefore four sides)
- polygonsA plane figure with at least three straight sides and angles, and typically five or more
- polygonA plane figure with at least three straight sides and angles, and typically five or more
- rectanglea four-sided plane figure with all its angles right angles, esp one with unequal adjacent sides
- rectanglesRECTANGLE, a four-sided plane figure with all its angles right angles, esp one with unequal adjacent sides
- octagonsplane figure with eight sides
- octagonplane figure with eight sides