katiex katiex
  • 06-02-2017
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

mdarrow01
mdarrow01 mdarrow01
  • 06-02-2017
∠A=66
∠B=x
∠C=?
∠D=117

Ok, lets sovle for ∠C first.
180-117=∠C
63=∠C

Ok, now we can solve for ∠B or x.
66+63+x=180
129+x=180
-129     -129
x=51

Hope this helps!  :)
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