Classify triangle BCD based on side lengths, given:
AB = 5
ED = 3
BC = 8
FE = 2.5
AD = 7

AB = BE = 5
BD = BE + ED = 5 + 3 = 8
BC = 8
BD = BC
CD = 5 which is not equal to 8.
Triangle BCD has exactly 2 congruent sides.
Answer: Triangle BCD is isosceles.