Question in the file below. (Khan Academy)

Mathematics

2 answers:

vitfil [10]2 years ago

5 0

We can suggest this equation.
(6x+x)+(6x+x)+110º+110º=360º
7x+7x+220º=360º
14x=360º-220º
14x=140º
x=140º/14
x=10º

Answer. x=10º

blondinia [14]2 years ago

5 0

Work is attached. :D

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