Respuesta :

Kylewaite
65 degree you mutliply 5&3 and than multiply 5&10 and you will get 15 and 50 than you add them 50+15=65
FilipinoChan
Solve for x. 
5x=(3x+10)
-3    -3
2x=10
x=5
---5*5=25
25+25=50 
BEC=AED
360-50=310/2
155.
E=155°
Hope this helps.