I'm guessing the answer is B? I tried to isolate r and I got that result. Sorry if it's wrong!
Answer: Although A and AT have the same eigenvalues, they may actually have different eigenvectors for that particular eigenvalue. Therefore A and AT have at least one eigenvector that aren't in common.
Step-by-step explanation:
These two attachment explains the provings and counterexamples briefly and simply
They are both Parallelograms, they both are 4 sided with the opposite being parallel
Answer:
Step-by-step explanation:
∠Q = 180-∠T = 89°
∠S = 360-∠T-∠Q-∠R = 360-91-89-27 = 153°