tolong dijawab pakai cara

C


mungkin

maaf kalau salah ya

Pelurus = 180

3x + 15 +2x + 10 = 180
5x + 25 = 180
5x = 180-25
5x = 155
x = 31

KLN = 3x + 15
KLN = 3(31) + 15
KLN = 93 + 15
KLN = 108

NLM = 2x + 10
NLM = 2(31) + 10
NLM = 62 + 10
NLM = 72