Respuesta :
the opposite angles MUST add upto 180.
3x-5+2x=180
5x-5=180
x=185/5=37
A=37+5=42...I am extremely sorry,i did the calculation indifferently..;P)
3x-5+2x=180
5x-5=180
x=185/5=37
A=37+5=42...I am extremely sorry,i did the calculation indifferently..;P)