Perhatikan Gambar diatas
Jika besar Sudut PQR = 30⁰
Tentukan besar =
a.) Sudut QRP
b.) Sudut QPR
Jika besar Sudut PQR = 30⁰
Tentukan besar =
a.) Sudut QRP
b.) Sudut QPR
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Penjelasan dengan langkah-langkah:
1 segitiga = 180°
Diketahui ∠PQR = 30°
a. ∠QRP = 90°
b.
∠QPR = 180° - (90+30)
∠QPR = 180° - 120
∠QPR = 60°