dortega22
dortega22 dortega22
  • 26-01-2022
  • Mathematics
contestada

Determine the measures of all the angles in the diagram :/

Determine the measures of all the angles in the diagram class=

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kaseyafa
kaseyafa kaseyafa
  • 26-01-2022

Answer:

a) 36, 144

b) 80, 100

Step-by-step explanation:

a) x + 4x = 180

   5x = 180

   /5      /5

   x = 36

   x = 36, 4(36) = 144

b) x - 20 + x = 180

      + 20         + 20

    2x = 200

     /2      /2

    x = 100

   100 - 20 = 80, x = 100

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