Look at the two stacks of coins. Each stack contains the same type and number of coins.
Make a conjecture. How do the stacks compare?
Check all that apply.
A The two stacks are the same height.
B The area of a coin face in one stack is the same as the area of a coin face that lies in the same
horizontal plane.
C The two stacks have equal volume.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.