yami321 yami321
  • 25-04-2018
  • Mathematics
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Find the value of X

Find the value of X class=

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sqdancefan
sqdancefan sqdancefan
  • 22-12-2018

Answer:

116

Step-by-step explanation:

The sum of angles of a 7-sided polygon is (7 -2)·180° = 900°. So, you need to choose x to make it so.

108° +101° +146° +137° +153° +139° +x° = 900°

x° = 900° -784° . . . . subtract 784°

x° = 116°

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