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== Volumen et area pyramidis ==
== Volumen et area pyramidis ==


[[Volumen]] ''V'' pyramidis aestimari potest per formulam:
[[Volumen]] ''V'' pyramidis computari potest per formulam:


<math>V = {a^2 \cdot h \over 3}</math>
<math>V = {a^2 \cdot h \over 3}</math>
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ubi ''h'' = altitudo pyramidis et ''a²'' = superficies quadri pyramidis
ubi ''h'' = altitudo pyramidis et ''a²'' = superficies quadri pyramidis


Area ''A'' pyramidis aestimari potest per formulam:
Area superficiei ''A'' pyramidis computari potest per formulam:


<math>A = a^2 + 2a \sqrt{{({1 \over 2}a)}^2 + h^2} \!</math>
<math>A = a^2 + 2a \sqrt{{({1 \over 2}a)}^2 + h^2} \!</math>
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[[Categoria:Geometria]]
[[Categoria:Geometria]]


[[az:Piramida]]
[[bs:Piramida (geometrija)]]
[[cs:Jehlan]]
[[de:Pyramide (Geometrie)]]
[[de:Pyramide (Geometrie)]]
[[el:Πυραμίδα (γεωμετρία)]]
[[en:Pyramid (geometry)]]
[[eo:Piramido (geometrio)]]
[[es:Pirámide (geometría)]]
[[fi:Pyramidi (geometria)]]
[[fr:Pyramide]]
[[he:פירמידה (גאומטריה)]]
[[hr:Piramida (geometrija)]]
[[it:Piramide#Geometria]]
[[ja:角錐]]
[[ko:각뿔]]
[[mk:Пирамида]]
[[nl:Piramide (ruimtelijke figuur)]]
[[no:Pyramide]]
[[pl:Ostrosłup]]
[[qu:Chuntu]]
[[ru:Пирамида (геометрия)]]
[[sk:Ihlan]]
[[sl:Piramida (geometrija)]]
[[sr:Пирамида (геометрија)]]
[[th:พีระมิด (เรขาคณิต)]]
[[tr:Piramit (geometri)]]
[[uk:Піраміда (геометрія)]]
[[zh:棱锥]]

Emendatio ex 23:35, 10 Decembris 2007

Pyramis est figura geometrica solida cui sunt quattuor trianguli et unum quadrum. In toto sunt quinque anguli.

Volumen et area pyramidis

Volumen V pyramidis computari potest per formulam:

ubi h = altitudo pyramidis et = superficies quadri pyramidis

Area superficiei A pyramidis computari potest per formulam:

Haec stipula ad mathematicam spectat. Amplifica, si potes!

Figurae geometricae communes
Triangulum Parallelogrammum Rectangulum Quadrum Circulus Pyramis Cubus Sphaera