Question

PLS REFER THE IMAGE

in the figure if lines l and m are parallel lines then find the value of x

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Answer 1

Answer:

l and m are parallel

So, 70°+angleC=180°

angleC=110°

Now, angle1=110°

In triangle ABC,

x+angle1+angleB=180°

x+30°+110°=180°

x=40°

Thank you for reading

Answer 2

a=70( co interior angles ) ( L //M)
x=180-70=40

Answer is 40

because of exterior angle property