Answer:
A) 75°
Explanation:
It is the property of a polygon that the sum of the external angles is equal to 360°.
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Solving :
⇒ p + 55 + 30 + 75 + 55 + 70 = 360
⇒ p + 85 + 130 + 70 = 360
⇒ p + 285 = 360
⇒ p = 360 - 285
⇒ ∠p = 75°