Alternate exterior angles because the are OUTSIDE of the parallel lines
(AB)^2 + (2 m)^2 = (8 m)^2, or
(AB)^2 + 4 m^2 = 64 m^2, or (AB)^2 = 60 m^2.
Taking the square root of both sides, (length of AB) = + 2sqrt(15) (answer)
Answer:
fx is 4, gx is 3, hx is anything greater than, not equal to, 4.
Hope this helps!
