pliss help mee
pake cara 
pake cara
PEMBAHASAN
a.) nilai x°
[tex]5x + 20 + 3x = 180°[/tex]
[tex]8x + 20 = 180°[/tex]
[tex]8x = 180° - 20°[/tex]
[tex]8x = 160°[/tex]
[tex]x = \frac{160}{8} °[/tex]
[tex]x = 20°[/tex]
b.) sudut NLK
NLK = 5x + 20°
NLK = 5(20)° + 20°
NLK = 100° + 20°
NLK = 120°
c.) sudut NLM
NLM = 3x
NLM = 3(20)°
NLM = 60°
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