rainagendra055
rainagendra055 rainagendra055
  • 17-08-2021
  • Mathematics
contestada

if (a°+10°)and (a°+20°)are supplementry angles ,find them​

Respuesta :

ma5007482
ma5007482 ma5007482
  • 17-08-2021

Step-by-step explanation:

a°+10°+a°+20°=180

becasue sum of angle of suplimentary angles is 180.

2a+30=180

2a=180-30

2a=150

a=75

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