Respuesta :

Answer:

75

this is because ABCD are angles on a quadrilateral

suspho

Answer:

75°

Step-by-step explanation:

the diagonal of the parallelogram forms two congruent isosceles triangles, so the angle "A" is equal to the angle "C", so x = 75 °

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the sum of the interior angles is 180° (triangle)

75 + 75 + 30 = 180°

the answer is good

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