Using the diagram below, describe the relationship as parallel, intersecting, or skew. a) AB and BC
b) AE and BF
c) EF and AD
d) Plane ABC and plane ABF
e) Plane AED and plane BFC

Step-by-step explanation:

a). AB and BC → Both the segments are perpendicular so intersecting at the point B.

b). AE and BF → Both the segments are parallel

c). EF and ED → skew (Since both the segments are neither parallel nor they intersect each other)

d). Plane ABC and plane ABF → Both the planes intersect at AB

e). Plane AED and plane BFC → Both the planes are parallel

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