Te tātai tātai mō te taumaha ariā o te mekameka punga o te kaipuke

Te taumaha o te mita o te mekameka punga o te kaipuke a motu = diameter * diameter * 0.0219

Ko te tino taumaha ka whakawhirinaki ki te kaihanga, he rereke ano te taumaha.Ko te tino taumaha o te mekameka punga wheketere nui he nui ake i te taumaha o te whakaaro, me te taumaha o te mekameka punga wheketere iti he iti ake i te taumaha o te whakaaro.