Ioo ukiangalia kuna pembe tatu mbili izoo ni pembe tatu pacha so kama apo kuna 50 na ukuu kwingine ni hivo hivoi so itakua
80+50+o= 180
130+o=180
0=180-130
O=50
Kupta x maana yake uchukue o uzidixe mala mbili itakua
(50*2)+x=360
X=260
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