fernandaocampo57 fernandaocampo57
  • 25-02-2021
  • Mathematics
contestada

Someone please answer correctly

Someone please answer correctly class=

Respuesta :

epicmathmoment epicmathmoment
  • 25-02-2021

Answer:

13

Step-by-step explanation:

It is a parallelogram so the opposite angles are the same.

All angles sum to 360 degrees.

This means that the adjacent angles sum to 180 degrees.

4a + 11 + 9a = 180 = 13a + 11

13a = 169

a=13

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