What are you trying to find? Area, Volume, Circumference, or perimeter?
Answer:
true
Step-by-step explanation:
because CD divided AB into equal halves, so they are of course perpendicular.
Answer:
9: not congruent AB=-8 and CD=10
10: not congruent AC=-3 and BD=5
11: congruent BC=1 and AD=1
40 tiles is the answer ! Have a great night love
