eh1phaw eh1phaw
  • 31-10-2018
  • Mathematics
contestada

Anyone know how to solve this?

Anyone know how to solve this class=

Respuesta :

jbasta2 jbasta2
  • 31-10-2018
there is a Theorem:   An exterior angle of a triangle is equal to the sum of the opposite interior angles.

so you have two angles that will be equal to eachother because of the tick marks on the triangle.

2x + 2x = 6x -50
4x = 6x -50 combine like terms across equal sign
-2x = -50 divide
x = 25

your angle (2x) now substitute in 25 for x.

2 * 25 = 50
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