Respuesta :

Answer:

Step-by-step explanation:

1 :-4,4

2: 60

3:54.45

4:105

5:77

I can only answer the second question :

on each side of the square is 90 degrees so

[tex]130 - 90 = 40[/tex]

one triangle is 180 degrees (two fourties because of each edge of the triangle)

[tex]40 + 40 = 80[/tex]

this is the answer

[tex]180 - 80 = 100[/tex]