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Tangohia te i makau

Paenga o te tapawhā whakarara, paenga tātai tātaitai

Paenga o te tapawhā whakarara, paenga tātai taea tātaitai ki a koutou kite i te paenga o te tapawhā whakarara, i te tātai, te whakamahi i te roa o ngā taha tapawhā whakarara.
a:   b:  

Paenga o te tapawhā whakarara

Tapawhā whakarara Ko te tapawhā ki e rua o te taha whakarara takirua. Tātai mō te paenga o te tapawhā whakarara: P=2(a+b),
i reira he, b - taha o te tapawhā whakarara