Respuesta :

mohammedsissa1999

Answer:

x = 45°

Step-by-step explanation:

summation of all the angles equals 360°

(x + 14) + (3x - 7) + (3x -7) + x = 360

8x +14 -7 -7 = 360

8x = 360

x = 45

P = 45+14 = 59

T = 3x45 -7 = 128

S = 128

R = 45

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