lucy202606 lucy202606
  • 25-04-2021
  • Mathematics
contestada

Form and solve an equation for .
2x
x+30

Form and solve an equation for 2x x30 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 25-04-2021

Answer:

x = 20

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the angles in the triangle and equate to 180

2x + x + 30 + 90 = 180

3x + 120 = 180 ( subtract 120 from both sides )

3x = 60 ( divide both sides by 3 )

x = 20

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