kenia72
kenia72 kenia72
  • 14-11-2019
  • Mathematics
contestada

Find x and the measure of each angle

Find x and the measure of each angle class=

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 14-11-2019

Answer: x = 20

The angles are 40 and 140

Step-by-step explanation:

Since the angles are supplementary , it means they add up to be 180 , that is

2x + 8x - 20 = 180

10x - 20 = 180

10x = 180 + 20

10x = 200

x = 20

the first angle which is 2x will be 2(20) = 40 , and the second angle which is 8x - 20 will be 8(20) - 20 = 140

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