Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x+90+90=360
Tāpirihia te 45 ki te 45, ka 90.
x+180=360
Tāpirihia te 90 ki te 90, ka 180.
x=360-180
Tangohia te 180 mai i ngā taha e rua.
x=180
Tangohia te 180 i te 360, ka 180.