Question

what is the answer for this question​

Answer 1

Answer:

x=140 degree

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Answer 2

Answer:

answer

after attachment picture

if a polygon has n sides then the sum of its angles is equal to

(n-2) *180 degree

sum of the angles =(5-2)*180

=540°

now

angle(a+b+c+d+e) = 540°

30 +x + x110 +120 =540°

2x + 260°=540°

2x =280°

x=140°