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erastovalidia [21]
3 years ago
7

What is the value of x

Mathematics
2 answers:
liraira [26]3 years ago
8 0

180 - 100 = 80


so

x + 70 + 80 = 180

x + 150 = 180

x = 30


Answer

B. 30

Orlov [11]3 years ago
4 0

Hey!


The sum of all 3 angles in a triangle always adds up to 180°. One of the angles is 70°. Another angle is 80° because 180 - 100 = 80. Add the 2 angles and subtract it from 180.


70 + 80 = 150


The sum of the 2 angles is 150°. Subtract that from 180


180 - 150 = 30


<em>That means x is equal to 30</em>


\framebox{Answer = 30 \° = B}.





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