If two shapes are congruent, they are identical in both shape and size.
Remember: Shapes can be congruent even if one of them has been rotated or reflected.
Question 1: Which of the shapes in the illustration above are congruent?
Answer 1: Did you get the following pairs?
A and G
D and I
E and J
C and H
Remember: Shapes can be congruent even if one of them has been rotated (as in A and G) or reflected (as in C and H).
The symbol =- means 'is congruent to'.
Two triangles are congruent if one of the following conditions applies:
1. Three sides are the same.