bantu jawab kakkk pakee caraa
B. 15°
Penjelasan dengan langkah-langkah:
<1 = 95°
<1 = <5 = 95°
<2 = 110°
<6 = 180° - <2
= 180° - 110°
= 70°
<5 + <3 + <6 = 180°
95° + <3 + 70° = 180°
<3 + 165° = 180°
<3 = 180° - 165°
= 15°
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