Penjelasan dengan langkah-langkah:
jumlah sudut segitiga= 180° = A+B+C = (3x-5)+(x+10)+95 = 4x+5+95
180° = 4x + 100°
4x=80°
x=20°
A=3x-5°=3(20°)-5°=60°-5°=55°
B=x+10°=20°+10°=30°
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Penjelasan dengan langkah-langkah:
jumlah sudut segitiga= 180° = A+B+C = (3x-5)+(x+10)+95 = 4x+5+95
180° = 4x + 100°
4x=80°
x=20°
A=3x-5°=3(20°)-5°=60°-5°=55°
B=x+10°=20°+10°=30°