SlowLexus
SlowLexus SlowLexus
  • 06-02-2019
  • Mathematics
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What is the value of x?

x =

What is the value of x x class=

Respuesta :

dhiab
dhiab dhiab
  • 06-02-2019

Answer:

hello :  x = 98°

Step-by-step explanation:

note :

sum of angles in polygonal is :  ( n -2) × 180° ..... n :  number of side

in  this exercice  : n = 7

sum of angles is : (7 -2 ) × 180° = 5× 180° = 900 °

x = 900° - ( 142° +110° +140° +142° +122°+146°) = 900° - 802°

x = 98°  


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