X+5°+2X+10°+90° = 360
3X+105° = 180
3X=180-105
3X=75
X=75/3
X=25
<KLM
2X+10 = 2 (25)+10
=60°
<LMK =90°(soalnya sudut siku)
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X+5°+2X+10°+90° = 360
3X+105° = 180
3X=180-105
3X=75
X=75/3
X=25
<KLM
2X+10 = 2 (25)+10
=60°
<LMK =90°(soalnya sudut siku)