usiznsk
contestada

I beg you please answer this .Its easy for most if you guys I promise .The question is in the photo .No need for explanation

I beg you please answer this Its easy for most if you guys I promise The question is in the photo No need for explanation class=

Respuesta :

qeela
b+c=180
180-a-d=40
a+b=c+d

Answer:

40+a+b=90

Step-by-step explanation: