HELP TIMED TEST WILL GIVE BRAINLIEST !!

Which pair of sides is perpendicular?
A. Side 1 and Side 3
B. Side 2 and Side 3
C. Side 1 and Side 4
D. Side 2 and Side 4

HELP TIMED TEST WILL GIVE BRAINLIEST Which pair of sides is perpendicular A Side 1 and Side 3 B Side 2 and Side 3 C Side 1 and Side 4 D Side 2 and Side 4 class=