Answer:
A pair of vertically opposite angles are always equal to each other.
When the sign of the number with the greatest absolute value is positive
Use pythagorena theorme
D=

NOTE: x1 and x2 means the first x and second x, not x^1 and x^2
points given are
(1,1)
(5,6)
x1=1
y1=1
x2=5
y2=6
D=

D=

D=

D=

6.403
answer is B
Tbh I don’t know and I hope someone gives you the answer