Shapes
| Straight-sided Shapes |
|
| decagon |
diamond |
| dodecagon |
hendecagon |
| heptagon |
hexagon |
| kite |
lozenge |
| nonagon |
oblong |
| octagon |
parallelogram |
| pentagon |
pentagram |
| pentangle |
polygon |
| quadrangle |
quadrant |
| quadrilateral |
rectangle |
| rhomboid |
rhombus |
| square |
tetragon |
| trapezium |
trapezoid |
| triangle |
trigon |
| undecagon |
| |
| Triangles |
|
| acute-angled |
circular |
| congruent triangles |
equilateral |
| isosceles |
obtuse-angled |
| right |
right-angled |
| scalene |
similar triangles |
| spherical |
| |
| Curves |
|
| annulus |
arc |
| Archimedean spiral |
bell curve |
| bow |
brachistochrone |
| cardioid |
catenary |
| characteristic curve |
circle |
| cissoid |
conchoid |
| crescent |
Cupid’s bow |
| cycloid |
demilune |
| ellipse |
entasis |
| epicycloid |
equiangular spiral |
| evolute |
folium of Descartes |
| Gaussian curve |
half-moon |
| helix |
horseshoe |
| hyperbola |
hypocycloid |
| involute |
lemniscate |
| logarithmic spiral |
logistic curve |
| normal curve |
ogive |
| oval |
ovoid |
| parabola |
polar curve |
| roulette |
roundel |
| semicircle |
sigmoid curve |
| sine curve/sine wave |
sinusoid |
| solidus |
spiral |
| spline |
transition curve |
| trochoid |
whaleback |
| witch of Agnesi |