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OpenStudy (anonymous):
In pentagon ABCDE, m∠E = m∠C and m∠D = m∠B. What is the measure of ∠A? f 155° g 335° h 410° j 130° F or J?
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OpenStudy (anonymous):
OpenStudy (anonymous):
@joshhfers @jigglypuff314
jigglypuff314 (jigglypuff314):
the total measure of the interior angles of a polygon is 180(n-2) so a pentagon would have total 540 so 105 + 105 + 100 + 100 + A = 540
OpenStudy (anonymous):
I got it its 130 thx
OpenStudy (anonymous):
:))))))
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