1.

Find x.3x42x

Answer»

x+8+3x+4+2x=180; 6x+12=180; 6x=180-12=168; x=168/6=28;

sum of all internal angle of ∆ = 180x+8+3x+4+2x= 1806x+12=1806x= 180-12= 168x= 168/6= 28°

x+8+3x+4+2x=1806x+12=1806x=180-126x=168x=168/6x=28

X = is correct answer in this questions

28 yar the value of x



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