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

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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