Common Core
G-SRT.A.2
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Geometry · Chapter 4 · Lesson 1
Two angles are enough.
Geometry · Chapter 4 · Lesson 2
Same shape, proportional sides.
Integrated Math 2 · Chapter 4 · Lesson 1
Changing size without changing shape.