Respuesta :

Reneedt

Answer:

1 - a

2 - c

3 - c

Step-by-step explanation:

The interior angle of a nonagon is 140º.

140º × 9 (the number of interior angles) = 1260º

Abiodunmarvellous

Answer:

I think the answer to the question

  1. (a)4
  2. (b)90
  3. (b)1080°

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