Question

Please answer it!
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Answer 1

Answer:

x = 190°

Step-by-step explanation:

By linear pair,

125° + a = 180°

          a = 180° - 125°

       ∴ a = 55°

Again by linear pair,

45° + b = 180°

         b = 180° - 45°

      ∴ b = 135°

In the Δle,

By exterior angle sum property,

∠a + ∠b = x

55° + 135° = x

       ∴ x = 190°

Answer 2

X=360-(125+45)
360-170
=190
190 degrees is the right answer