plz tell the answer for this and keep pic plźzzzzz
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50°
Step-by-step explanation:
(x+10)+(2x-30)+(x)=180° (angle sum property)
x+10+2x-30+x. =180°
4x-20. =180°
4x. =180°+20°
x. =200/4
x. =50°
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