Respuesta :
a= 60
b=60
c= 40
d=20
if this is what u mean then i think its correct :)
p.s a parallelogram adds up to 180
the angles are 60°, 60°, 120° & 120° .... do you need the work too?
a= 60
b=60
c= 40
d=20
if this is what u mean then i think its correct :)
p.s a parallelogram adds up to 180