Respuesta :

Answer:

x=12

10x = 120

5x = 60

Step-by-step explanation:

paralellograms will become 360 degrees

so 2(5x) +2(10x)= 360

Simplify:

10x + 20x = 360

= 30x

divide both sides by 30 and isolate

30x = 360

30        30

x=12

multiply 12 by 10x and 5x

10x = 120

5x = 60