Penjelasan dengan langkah-langkah:
<A = 180-125
= 55
<B = 180-105
= 75
karena segitiga total sudut 180°
maka <A + <B + <C = 180°
55° + 75° + <C = 180°
<C = 180° - 55° -75°
<C = 50°
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Penjelasan dengan langkah-langkah:
<A = 180-125
= 55
<B = 180-105
= 75
karena segitiga total sudut 180°
maka <A + <B + <C = 180°
55° + 75° + <C = 180°
<C = 180° - 55° -75°
<C = 50°