# Te Tātai i te Rōrahi o te Porowhita: He Aratohu Katoa
He ariā taketake te tatau i te rōrahi o tētahi porowhita tapawhā i roto i te pāngarau, ā, he mea nui hoki nā te mea ka kitea ōna tono mahi i roto i ngā āhuatanga maha o te oranga o ia rā, pērā i te hanganga whare, te ine wāhi, me te whakahaere me te tuku kaipuke. Ka matapakihia e tēnei tuhinga he aha te porowhita tapawhā, te tātai mō tōna rōrahi, me te whakarato i ngā tauira mahi o ōna tono.
## He aha te kurupae?
He āhua ā-toru-ahu te porowhita me ngā mata tapawhā e ono. Ko te āhuatanga o te porowhita ko ōna kokonga e whā he poutū, ā, ko ngā taha e anga atu ana he rite te rahi ki ngā whakarara. I roto i te oranga o ia rā, ka kitea ngā porowhita i roto i ngā āhua rerekē, pērā i ngā kāpata, ngā pouaka hū, me ētahi atu mea tapawhā.
## Whakamāramatanga o te Rōrahi
Ko te rōrahi he ine i te wāhi toru-ahu e nohoia ana e tētahi mea. I roto i te horopaki o tētahi porowhita, ka ine te rōrahi i te nui o te wāhi e nohoia ana e te porowhita. Ka taea te ine i te rōrahi i roto i ngā waeine porowhita maha o te roa, pērā i te mita porowhita (m³), te henimita porowhita (cm³), te mirimita porowhita (mm³), me ētahi atu.
## Tātai Rōrahi Tapawhā
Ka taea te tatau i te rōrahi o tētahi porowhita mā te whakamahi i te tātai e whai ake nei:
\[ \text{Rōrahi o te Porowhita} = \text{Roa} \times \text{Whānui} \times \text{Teitei} \]
Kei hea:
– Ko te roa te ine roa o te poraka,
– Ko te whānui te whānuitanga o te kurupae,
– Ko te teitei te ine teitei o te poraka.
### Tauira mō te Tatau i te Rōrahi o te Tapawhā
Tauira 1: Te Tatau i ngā Rōrahi Iti
Me kī he porowhita tā tātou, he 5 cm te roa, he 3 cm te whānui, ā, he 2 cm te teitei. I runga i te tātai rōrahi porowhita:
\[ \text{Rōrahi} = 5 \, \text{cm} \times 3 \, \text{cm} \times 2 \, \text{cm} \]
Nā reira:
\[ \text{Rōrahi} = 30 \, \text{cm}^3 \]
Ko te tikanga he 30 cm³ te rōrahi o te poraka.
Tauira 2: Te Tatau i ngā Rōrahi Nui
Me kī he ipu āhua porowhita tā tātou, he 4 mita te roa, he 2 mita te whānui, ā, he 3 mita te teitei. I runga i te tātai mō te rōrahi o te porowhita:
\[ \text{Rōrahi} = 4 \, \text{m} \times 2 \, \text{m} \times 3 \, \text{m} \]
Nā reira:
\[ \text{Rōrahi} = 24 \, \text{m}^3 \]
Ko te tikanga he 24 m³ te rōrahi o te ipu.
## Te Whakamahinga Tuturu o te Tatau i te Rōrahi o te Tapawhā
### 1. Te Hanga Whare
I roto i te hanganga, he mea nui te tatau i te rōrahi o te kurupae hei whakatau i ngā rauemi hanga e hiahiatia ana. Hei tauira, i te wā e hanga ana i ngā pou raima, mā te mōhio ki te rōrahi o te kurupae ka āwhina i te whakatau i te nui o te raima e hiahiatia ana.
### 2. Te Whakahaere me te Tukunga Taonga
He maha ngā wā ka tākaihia ngā taonga i roto i ngā pouaka āhua tapawhā. Mā te tatau i te rōrahi o ēnei pouaka ka āwhina i te whakamahere i te whakatakotoranga o ngā taonga i roto i ngā waka tuku, te whakarite i te wāhi rokiroki whai hua, me te whakatau i ngā utu tuku i runga i te rōrahi.
### 3. Hoahoa ā-roto me te Hanga Whare
I roto i te hoahoa whare, he mea nui te mārama ki te rōrahi o tētahi poraka hei whakatau i te tahora o ngā taonga me te arotau i te whakamahinga o te wāhi. Hei tauira, me mōhio te kaihoahoa rūma ki te rōrahi o tētahi kāpata, o tētahi pouaka rānei kia uru ai ngā taonga ki te wāhi e wātea ana.
### 4. Tātaitanga o te Kaha Rokiroki
I roto i te whare putunga, i tētahi atu wāhi rokiroki rānei, mā te tatau i te rōrahi o ngā taonga āhua poraka ka āwhina i te whakatau i te kaha mōrahi o te whare putunga me te whai huatanga o tōna whakaritenga.
## Ngā Hapa Noa i te Tatau i te Rōrahi o te Tapawhā
1. Te Ine i te Ahu Hē:
Me whakarite kia tika te ine i te roa, te whānui, me te teitei mā te whakamahi i ngā waeine ōrite.
2. He hapa i roto i te tatau:
Ka taea e ngā hapa tatau ngāwari pēnei i te whakarea hē te whakaputa hua hē.
3. Te Hurihanga Wāhanga:
He maha ngā hapa ka puta i te tahuritanga o ngā waeine roa ki ētahi atu waeine, hei tauira, mai i te cm ki te m.
## Tohutohu hei karo i ngā tatau hē
1. Whakamahia ngā taputapu ine tika:
Whakamahia he rūri, he taputapu ine rānei e tika ana hei whakatau i ngā ine o te poraka me te tika.
2. Tirohia anō te tātaitanga:
Me tirotiro anō ngā hua o te tatau kia kore ai he hapa tātaitanga.
3. Whakamahia te Tātaitai:
Ki te taea, whakamahia he tātaitai hei whakaiti i ngā hapa tatau ā-ringa.
## Whakamutunga
He pūkenga pāngarau taketake te tatau i te rōrahi o tētahi porowhita tapawhā, ā, he maha ngā whakamahinga mahi i roto i te oranga o ia rā me ngā mara ngaio. Mā te mārama ki ngā ariā me ngā tātai taketake mō te rōrahi porowhita tapawhā, ka taea te whakatau ngāwari i te rōrahi e nohoia ana e ngā mea tapawhā. Mā te whakamahi i ngā tātai tika me ngā taputapu ine tika, ka taea te mahi tere me te tika i ēnei tataunga.
Ahakoa he māmā noa iho te āhua porowhita, engari nā tōna hiranga i roto i ngā horopaki maha, he kaupapa matua tēnei mō te mātauranga me ngā mahi whai hua. Ko te tumanako, kua whakaratohia e tēnei tuhinga he māramatanga hohonu ake mō te tatau i te rōrahi o te porowhita me tōna hiranga i roto i ngā āhuatanga maha o te ao.
