Penjelasan dengan langkah-langkah:
Besar Q = 180° - 114° = 66°
P + Q + R = 180°
P = 180° - ( Q + R )
P = 180° - ( 66° + 66° )
P = 180° - 132°
P = 48° ( Opsi C )
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Penjelasan dengan langkah-langkah:
Besar Q = 180° - 114° = 66°
P + Q + R = 180°
P = 180° - ( Q + R )
P = 180° - ( 66° + 66° )
P = 180° - 132°
P = 48° ( Opsi C )