The exterior angles of a pentagon are 150°,X°, 60°,70°and 80°then the measure of X° is ------------
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Answered by
0
Answer:
180 degrees........... .............
Answered by
2
Step-by-step explanation:
total sum of angles of a pentagon =(n-2)180=540
150+ x+60+70+80=540
x=540-150-60-70-80=180
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