sudut pusat
sudut keliling
menghadap busur yg sama
sudut pusat = 2 × sudut keliling
∠YOE sama kaki
∠Y = ∠E = 75°
sudut pusat YOE = 180° - 2(75°) = 30°
busur VE
sudut pusat VOE = 94° + 30° = 124°
sudut x
= besar sudut keliling VLE
= 1/2 sudut pusat VOE
= 1/2 × 124°
= 62°
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sudut pusat
sudut keliling
menghadap busur yg sama
sudut pusat = 2 × sudut keliling
∠YOE sama kaki
∠Y = ∠E = 75°
sudut pusat YOE = 180° - 2(75°) = 30°
busur VE
sudut pusat VOE = 94° + 30° = 124°
sudut x
= besar sudut keliling VLE
= 1/2 sudut pusat VOE
= 1/2 × 124°
= 62°