A cikin wannan ɗaba'ar, za mu yi la'akari da ma'anar, abubuwa, nau'o'i da manyan kaddarorin masu daidaitawa, gami da. rectangular. Bayanin da aka gabatar yana tare da zane-zane na gani don kyakkyawar fahimta.
Ma'anar akwati
Mai daidaitawa adadi ne na geometric a sararin samaniya; hexagon wanda fuskokinsa masu kamanceceniya ne. Hoton yana da gefuna 12 da fuska 6.
Parallelepiped iri-iri ne tare da parallelogram a matsayin tushe. Babban abubuwan da ke cikin adadi daidai suke da na prism.
lura: Formules don ƙididdigewa (na siffar rectangular) da mai layi ɗaya ana gabatar da su a cikin wallafe-wallafe daban-daban.
Nau'in parallelepipeds
- Madaidaicin layi daya - Fuskokin gefe na adadi sun kasance daidai da tushe kuma suna da rectangles.
- Madaidaicin daidai gwargwado na iya zama murabba'i Tushen suna rectangles.
- Oblique daidaitacce – Fuskokin gefe ba su karkata zuwa ga tushe.
- – duk bangarorin da adadi ne daidai murabba'ai.
- Idan duk fuskokin mai kama da juna iri ɗaya ne rhombuses, ana kiran shi syeda.
Akwatin kadarorin
1. Fuskoki masu gaba da juna na madaidaicin madaidaicin juna kuma suna daidai da juna.
2. Duk diagonal na madaidaicin madaidaicin suna tsaka-tsaki a wuri ɗaya kuma an raba su biyu a ciki.
3. Madaidaicin madauri (D) na rectangular parallelepiped daidai yake da jimlar murabba'in murabba'insa uku: tsayinsa. (A), fadin (B) da tsawo (C).
d2 = A ba2 + b2 +c2
lura: ga masu daidaitawa, kuma a shafa.