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Verified answer
2p + 104 = 180° (saling berpelurus)2p = 180° - 104°
p = 76/2
p = 38°
142° + x = 180° (saling berpelurus)
x = 180 - 142
x = 38°
r = x (sudut dalam berseberangan)
r = 38°
x + q + 2p = 180° (juml. sudut dalam segitiga)
38° + q + 2(38°) = 180°
q = 180° - 38° - 76°
q = 66°
jadi p + 2q + r adalah
= 38° + 2(66°) + 38°
= 208°
maaf tadi lupa gambar'y gk d kirim. itu x letak'y di sebelah sudut 142° ya...
semoga membantu ^^