I don't know
Step-by-step explanation:
.........
Answer:
Step-by-step explanation:
We know that for two similar matrices
and
exists an invertible matrix
for which
[/tex]
∴ 
Also 
and 
∴
so, 
Answer:A
Step-by-step explanation: Hope this helped. Let me know if it did.
The true answer is A. all parallelograms are rectangles