Tolong dong yang tauu :) nomer 5 aja

a. ∠PQS = ∠QSR = 45°

b. ∠SOR = ∠POQ = 110° (bertolak belakang)

∠POQ + ∠PQS + ∠QPR = 180°
110° + 45° + ∠QPR = 180°
∠QPR = 65°

∠SPR = ∠PRQ = 68°

c. ∠SPQ = ∠SPR + ∠QPR
= 68° + 65°
= 133°