Respuesta :

0047569

Answer: 77

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

The three angles put together forms a straight line of [tex]180^{o}[/tex]

(5p+2) + 90 + (7p+4) = 180

combine like terms

12p + 96 = 180

12p = 84

p = 7

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