kk10039
kk10039 kk10039
  • 08-02-2021
  • Mathematics
contestada

can someone explain how i find the missing angle on this thing

can someone explain how i find the missing angle on this thing class=

Respuesta :

devishri1977
devishri1977 devishri1977
  • 08-02-2021

Answer:

70°

Step-by-step explanation:

a + 90 + 20 = 180      {Angles in straight line}

       a + 110 = 180

             a = 180 - 110

            a = 70

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