oliviarose6669 oliviarose6669
  • 18-10-2017
  • Mathematics
contestada

The measure of each interior angle of a regular polygon is 140 degrees, how many sides does the polygon have

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ejelonubenedict
ejelonubenedict ejelonubenedict
  • 20-10-2017
using
[(n-2)180]÷n = 140
(n-2)180 = 140n
180n -360 = 140n
180n -140n = 360
40n = 360
n=360÷4 = 90 sides
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