Answer: a
Step-by-step explanation:
Hello,
ABCD is a diamond.
Let's D' the intersection of the circle and DC.
m∠BCD'=2*m∠BDC=2*45=90°
m∠BCD=90°
The diagonals of ABCD are perpendicular==>ABCD is a diamond and AB=BC=CD=DA=2
Answer:
Yes.
Step-by-step explanation:
It is better result than before buy it all the way!
I have no idea, someone help
N=-1 distribute then isolate your variable and divide