angelapeck29771 angelapeck29771
  • 19-02-2021
  • Mathematics
contestada

i need help with this please

i need help with this please class=

Respuesta :

rosie2276
rosie2276 rosie2276
  • 19-02-2021

Answer:

a=40 degree( vertically opposite angle)

a+b+90=180( area of triangle)

or, 40+ b+ 90=180

or,b=180-130

b=50 degree

c+65=180 (st.line)

or, c= 180-65

c= 115 degree

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