```[riferimenti agli Oggetti Matematici]
Vai su: http://www.WolframAlpha.com e cerca:
line segment
[polygonal curve, polygonal chain, polyline]
perimeter
vertex
lenght
function graph
isometry
symmetry
area
rectangle
parallelogram
triangle
trapezoid
polygon
circle
ellipse
similar
circular segment
polygon area
slope
euclidean plane
parallel
spherical triangle
non Euclidean geometry
triangle postulate
exterior angle
convex polygon
concave polygon
SSS theorem
SAS theorem
ASA theorem
similar triangles
dilation
[intercept theorem (teorema delle proiezioni parallele)]
projections
inscribed
circumscribed
inscribed angle
central angle
Thales' theorem
[in Italia spesso è chiamato così the intercept theorem]
arc
(seleziona "geometric object" e "a mathematical definition")
tangent line
circumcenter
incenter
orthocenter
consecutive
complementary angles
supplementary angles
[vertical angles or opposite angles or vertically opposite angles]
[alternating angles, corresponding angles]
[conjugate angles: in English, two angles whose sum is 360°]
mathworld subject angles
Euclid
[le 1º e 2º t. di Euclide sono denominazioni "italiane"]
distance
point line distance—2 dimensional
supremum
least upper bound
infimum
greatest lower bound
MinValue[ {1/n, 1 <= n}, n ]
MaxValue[ {n/(n+1), 0 <= n}, n ]
[per trovare gli estremi inferiore e superiore]
concentric
perpendicular bisector
perpendicular bisector theorem
perpendicular foot
mathworld triangle
bisector
[axis of symmetry]
midpoint
endpoint
incircle
ALTRO

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