Here is a picture of an older version of the flag of Great Britain. There is a rigid transformation that takes Triangle 1 to Triangle 2, another that takes Triangle 1 to Triangle 3, and another that takes Triangle 1 to Triangle 4.

a. What are the side lengths of Triangle 3? Explain how you know.
b. Do all eight triangles in the flag have the same area? Explain how you know.

Here is a picture of an older version of the flag of Great Britain There is a rigid transformation that takes Triangle 1 to Triangle 2 another that takes Triang class=