Answer:
The coordinates of B' and C' are 
and 
, respectively.
Step-by-step explanation:
From the Linear Algebra, we define the translation of a given point as:
(1)
Where:
- Original point, dimensionless.
- Translation vector, dimensionless.
- Translated point, dimensionless.
If we know that 
and 
, then the translation vector is:
(2)
If we know that 
, 
and , then the translated points are, respectively:
(3)
The coordinates of B' and C' are and , respectively.
