Jawabanmu

Jawaban paling cerdas!
2014-08-09T20:52:38+07:00
360°-(108°+95°+85°)
360°-288°
72°
2014-08-09T21:53:28+07:00
A°= RST + STU + URS= 360°
a°= 95° + 85° + 108°= 360°
a°= 288°=360°
a°= 360°-288°
a°= 72°
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