Jawab:
Penjelasan dengan langkah-langkah:
95° + (3x-5) + (x+10) = 180°
4x + 5 = 180 - 95
4x = 85° - 5°
x = 80/4
x = 20°
<BAC = 3x -5 = 3(20) - 5 = 55°
Jawaban:
55°
jumlah sudut dalam satu segitiga = 180°
BAC + ACB + CBA = 180°
(3x-5)° + 95° + (x+10)° = 180°
(4x + 100)° = 180°
BAC = 3x-5
= 3×20° - 5
= 55°
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Jawab:
Penjelasan dengan langkah-langkah:
95° + (3x-5) + (x+10) = 180°
4x + 5 = 180 - 95
4x = 85° - 5°
x = 80/4
x = 20°
<BAC = 3x -5 = 3(20) - 5 = 55°
Jawaban:
55°
Penjelasan dengan langkah-langkah:
jumlah sudut dalam satu segitiga = 180°
BAC + ACB + CBA = 180°
(3x-5)° + 95° + (x+10)° = 180°
(4x + 100)° = 180°
x = 20°
BAC = 3x-5
= 3×20° - 5
= 55°