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Find the measure of angle x in the figure.

 

 Mar 12, 2021
 #1
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Total sum of angles in heptagon = 1080

 

⇒132 + 123 + 131 + 125 + x + 124 + 129 = 1080

⇒764 + x = 1080

⇒x            = 316º

 Mar 12, 2021
 #2
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The sum of internal angles in the heptagon is 900º

 

x = 900 - (124+129+132+123+131+125)

 

x = 136º

 Mar 12, 2021

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