Sudut a + b = 90° ( Sudut siku siku)
a. Jika sudut b= 25°. Sudut a :
a + b = 90°
a + 25°=90°
a = 90°-25°
a = 65°
Maaf yang b kurang tahu
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Sudut a + b = 90° ( Sudut siku siku)
a. Jika sudut b= 25°. Sudut a :
a + b = 90°
a + 25°=90°
a = 90°-25°
a = 65°
Maaf yang b kurang tahu
Semoga membantu