Respuesta :

chloephillips125

Answer:

x = 80

Step-by-step explanation:

All of the angles in a triangle must total 180 degrees when added together. 70 +30 = 100. 180 - 100 = 80.

homeworkandstuffetc

Answer:

80 degrees

Step-by-step explanation:

there are 180 degrees in a triangle so by adding the two other numbers and subtracting their total (100) from 180, so we get 80

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