joe170 joe170
  • 24-09-2018
  • Mathematics
contestada

Solve for x.

x = ___°

Solve for x x class=

Respuesta :

jimrgrant1 jimrgrant1
  • 24-09-2018

x = 109

this is pentagon

the sum of the interior angles of a polygon is

sum = 180°( n - 2) where n is the number of sides.

sum = 180° × 3 = 540° thus

x + 121+ 108 + 102 + 100 = 540

x + 431 = 540

subtract 431 from both sides

x = 540 - 431 = 109



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