Question

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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

angle 1 + 70° = 180° ( linear pair )

angle 1 = 180-70

= 110°

angle 2 + 60° = 180°. ( linear pair )

angle 2 = 180-60

= 120°

angle 1 + angle 2 + x + x + 30 = 540°. ( angle sum property of pentagon )

110 + 120 + x + x + 30 = 540

260 + 2x = 540

2x = 540 - 260

2x = 280

x = 280/2

x = 140°