Respuesta :

Answer:

80 degrees

Step-by-step explanation:

A triangle has 180 degrees so you have to add up the two angles with measurements you know (70 + 30= 100) and subtract 100 from 180

notodaysatan
A: It would be 80 degrees. :)
E: This is because all triangles equal 180 degrees so if you already have 2/3 angles then it’s pretty easy to determine the last angle. Angle B + Angle A = 100 (70+30=100). So just subtract 180 by 100 and you get 80 degrees!

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