Respuesta :

wegnerkolmp2741o

Answer:

x = 80

Step-by-step explanation:

The sum of the angles of a triangle is 180

30+70+x = 180

100 +x = 180

x = 180-100

x = 80
The sum of all the angles in a triangle is 180. We have 30 and 70. This leaves us with 80 to complete a sum of 180.