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Verified answer
BESAR PELURUS KLN berarti yang ditanya sudut MLNklo pelurus itu 180°
maka (3x + 15) + (2x + 10)
= 5x + 25
180 = 5x + 25
5x = 180 - 25
5x = 155
x = 155/5 = 31
MLN = 2x + 10
MLN = 2 . 31 + 10
MLN = 62 + 10
MLN = 72°
Berarti Besar Sudut Pelurus KLN adalah 72° (B)
smoga membantu ^_^
klo ga paham tanya in aja