Question

Find the value of x :)

Answer 1

let the third angle of triangle be y

21°+34°+y=180°[angle sum property]

55°+y=180°

y=180°-55°

y=125°

y+x=180°[by linear pair]

125°+x=180°

x=180°-125°

x=55°

Answer 2

Answer: x = 55

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