a. 135° b. 130° c. 120° d. 100° tlg dijawabbb ya kakk, pake cara. makasiih

Q dan D
(3y + 15°) + 60° = 180°
3y + 15 = 120°
3y = 105°
y = 35°

P dan R
(x+5)+80° = 180°
x+5 = 100°
x = 95°

x+y = 35° + 95°
x+y = 130°
Jawaban B