Respuesta :

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Answer:

C. 50°

Step-by-step explanation:

Angles on a straight line add up to 180 degrees.

180 - 140 = 40

180 - 90 = 90

Angles in a triangle add up to 180 degrees.

p + 40 + 90 = 180

p + 130 = 180

p = 180 - 130

p = 50

Answer:

b 90

add 140 with 90

you'll get 270

the subtract 180 from 270

you'll get 90

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