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Vedmedyk [2.9K]
3 years ago
9

What is the value of x?

Mathematics
2 answers:
iragen [17]3 years ago
7 0

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

Alekssandra [29.7K]3 years ago
3 0
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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