Geometric Figures and Shapes

• acute-angled triangle or acute triangle
• circle
• cone
• cube
• cuboid
• cusp
• cylinder
• decagon
• dodecagon
• dodecahedron
• equilateral triangle
• foursquare
• frustrum
• gnomon
• heptagon
• hexagon
• hexagram
• hexahedron
• hypercube
• icosahedron
• isosceles triangle
• nonagon
• oblong
• obtuse-angled triangle or obtuse triangle
• octagon
• octahedron
• oxygen
• parallelelepiped or parallelepipedon
• parallelogram
• pentagon
• pentahedron
• Platonic body
• polygon
• polyhedron
• prism
• prismoid
• pyramid
• quadrangle
• quadrant
• quadrature
• quadrilateral
• quindecagon
• rectangle
• rhombohedron
• rhombus or rhomb or rhomboid
• right-angled triangle or right triangle
• scalene triangle
• sphere
• square
• tetragon
• tetragram
• tetrahedroid
• tetrahedron
• trapezium or trapeze
• trapezohedron
• trapezoid
• triangle
• trigon
• trihedron
• trilateral
• truncated pyramid