Sudut POQ + sudut QOR = 180°
135° + sudur QOR = 180°
sudut QOR = 180° - 135° = 45°
Panjang busur QR =
Keliling lingkaran =
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Sudut POQ + sudut QOR = 180°
135° + sudur QOR = 180°
sudut QOR = 180° - 135° = 45°
Panjang busur QR =
Keliling lingkaran =
Panjang busur QR =