tolong kerjakan nomer 14 pakai caranya

Lingkaran

<LOT = 180° - <KOT
<LOT = 180° - 135°
<LOT = 45°

<KOT/<LOT = TK/TL
135/45 = 28/TL
3/1 = 28/TL
3TL = 28
TL = 28/3
TL = 9,3 cm (C).

*semoga membantu. sukses selalu ^_^