Jumlah Seluruh Sudut Segitiga => 180°
Maka :
180° - ( 52° + 18° )
180° - ( 70° )
180° - 70°
110°
misal: sudut yang belum diketahui = x
Maka:
x + 52° + 18° = 180°
x + 70° = 180°
x = 180° - 70°
x = 110°
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Jumlah Seluruh Sudut Segitiga => 180°
Maka :
180° - ( 52° + 18° )
180° - ( 70° )
180° - 70°
110°
misal: sudut yang belum diketahui = x
Maka:
x + 52° + 18° = 180°
x + 70° = 180°
x = 180° - 70°
x = 110°