Question

Line segment AB has a length of 5 units. It is translated 3 units to the right on a coordinate plane to obtain line segment A'B' . What is the length of A'B' ? (50 points)

2 units
3 units
4 units
5 units

Answer 1

5 units is the correct answer

Explanation:

the translation of ab is a rigid transformation so, the size of the preimage and the size of the image are equal therefore,

ab=a'b'

the length of a'b' is 5 units which is option d.