thomasrad2013 thomasrad2013
  • 12-03-2021
  • Mathematics
contestada

Find angle a (use pic)

Find angle a use pic class=

Respuesta :

maccabee678 maccabee678
  • 12-03-2021
10x+8x+5+85= 180 (Triangle sum thm: all triangles add to 180 degrees)

18x+90=180
-90 -90

18x=90

x=5 ( now that you have x you can plug it in to angle a)

8(5)+5=45

So D
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