Respuesta :

znk

Answer:

48°

Step-by-step explanation:

The sum of the three angles of a right triangle is 180°.

If one angle is 90° and another is 42°, then

90° + 42° + x = 180°

    132°    + x = 180°

                  x = 180° - 132° = 48°

The third angle is 48°.

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