LuciousHarvard
LuciousHarvard LuciousHarvard
  • 23-09-2018
  • Mathematics
contestada

What is the value of X?

What is the value of X class=

Respuesta :

jimrgrant1 jimrgrant1
  • 23-09-2018

x = 80

the sum of the angles round a point is 360°

the 3 angles here must sum to 360°

3x + x - 27 + 67 = 360

4x + 40 = 360

subtract 40 from both sides.

4x = 360 - 40 = 320

divide both sides by 4

x = [tex]\frac{320}{4}[/tex] = 80

thus the 3 angles are 67°, 240° and 53°


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