2 years ago

Someone please answer correctly

Mathematics

1 answer:

ivolga24 [154]2 years ago

5 0

Answer:

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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