Answer:
When the line of reflection coincides with a line of symmetry for a polygon or shape, then the polygon will be able to reflect onto itself.
Step-by-step explanation:
PLATO
When the line of reflection occurs simultaneously with a line of symmetry for a polygon or shape, the shape will be able to reflect onto itself
Hope this helps
I would say 3. 21/7=3. 3 boxes. 7 hard in each.
Concurrent as my perception
It is 71,000. :) ...........