The exterior angles of an octagon are 42°, 55°, 39°, 20°, 62°, 45°, and 47°. What is the measure of the eighth exterior angle? S
2 answers:
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Answer:
x = 7
Step-by-step explanation:
Start by solving for which is a common expression for both equations. Then in the first equation:
and in the second equation:
Now we make the two expressions equal so we get:
