Khan Academy

Dilations: scale factor (K-A)

Finding measures using rigid transformations (K-A)

Mapping shapes (K-A)

Rigid transformations: preserved properties (K-A)

Intro to the Pythagorean theorem (K-A)

Pythagorean theorem with isosceles triangle (K-A)

Pythagorean theorem example (K-A)

Distance formula (K-A)

Pythagorean theorem in 3D (K-A)

Pythagorean theorem word problem: fishing boat (K-A)

Pythagorean theorem word problem: carpet (K-A)

Use Pythagorean theorem to find area of an isosceles triangle (K-A)

Another Pythagorean theorem proof (K-A)

Bhaskara's proof of the Pythagorean theorem (K-A)

Garfield's proof of the Pythagorean theorem (K-A)

Pythagorean theorem proof using similarity (K-A)

Determining reflections (K-A)

Reflecting points (K-A)

Reflecting shapes (K-A)

Determining rotations (K-A)

Rotating points (K-A)

Dilations intro (K-A)

Identifying transformations (K-A)

Rigid transformations intro (K-A)

Determining translations (K-A)