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180 - ( 110 + 35 )
180 - 145
= 35°
Mka, segitiga tumpul sama kaki
Opsi => B.
< Q = 35°
<R = 180° - 110° - 35° = 35°
karena sudutnya lebih dr 90° mk sudut tumpul dan ada 2 sudut sama besar maka segitiga samakaki... sehingga segitiga tumpul sama kaki