Question

Find the answer of the questions​

Answer 1

Step-by-step explanation:

We know that

adjacent angles forms 180°

So, in according to the figure we can say that

=> ∠A + ∠D = 180°

=> 80° + (y + 30)° = 180°

=> y = 70°

Now, from the value of y :

=> ∠D + ∠C = 180°

=> (y + 30)° + z = 180°

=> 70° + 30° + z = 180°

=> z = 80°

Again from the value of z and y :

=> ∠B + ∠C = 180°

=> (x + y - 30)° + z = 180°

=> (x + 70 - 30) + 80 = 180°

=> x + 40 + 80 = 180°

=> x = 60° ans.

Answer 2

60

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