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if angle ABC is mapped to angle A'B'C' using a rigid body motion, which of the following is not need to be true? A)AB is parallel to A'B'B)m

if angle ABC is mapped to angle ABC using a rigid body motion which of the following is not need to be true AAB is parallel to ABBm class=

Respuesta :

In a rigid body motion, we have that the angle ABC is still the same, the midpoint of AB is mapped to the midpoint of A'B', and the length of BC is equal the length of B'C'.

So the only option that is not always true is that AB is parallel to A'B'.

So the correct option is (1).

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