Wannan ƙididdiga ce ta musamman wanda ke ƙididdige ƙarar kuboid, goyan bayan metric da raka'a na sarauta (inci, ƙafafu, yadudduka, mm, cm ko mita), kuma sakamakon ƙarar na iya canzawa zuwa naúrar daban-daban, tare da dabarar lissafi da kubu mai ƙarfi na gani, shi. yana taimaka mana mu sami amsoshi da fahimtar sakamako cikin sauƙi.
Cuboid akwati ne mai ƙarfi wanda kowane samansa murabba'i ne na yanki ɗaya ko wurare daban-daban.
Kuboid zai kasance yana da tsayi, faɗi da tsayi.
Girman kuboid = (tsawon × nisa × tsawo) raka'a mai siffar sukari.
Nemo ƙarar kuboid mai girma 14 cm × 12 cm × 8 cm.
Idan muna son musanya raka'a na ƙara zuwa raka'a daban-daban, za mu iya musanya raka'o'in girma zuwa guda ɗaya da farko.
misali,
Cube yana da girma na 12.5 in, 14 in da 9.3 in.
Menene girma a ft³?
Acuboidabu ne mai siffar akwati. Yana da fuskoki shida masu kwance kuma dukkan kusurwoyi madaidaici ne. Kuma dukkan fuskokin ta masu murabba'i ne. Har ila yau, prism ne saboda yana da sashi iri ɗaya tare da tsayi. A gaskiya shi ne priism rectangular.
Lokacin da duk tsayin su guda uku daidai yake ana kiran shi acube(ko hexahedron) kuma kowace fuska murabba'i ce. Cube har yanzu prism ne kuma kuma cuboid.