Step-by-step explanation:
m<ACB=m<CBD=90 degrees (given) and AB=DC (given)
BC=BC (reflexive property)
m<ABC=m<BCD (alternate interior angles)
triangle ABC is equivalent to triangle DCB by Angle Side Angle.
I think that's correct, I'm on this unit too.
Answer:
X+20=2 i think this is a little above my head
(-6, 1)
