Khan Academy

Translating points (K-A)

Translating shapes (K-A)

Angles in a triangle sum to 180° proof (K-A)

Isosceles & equilateral triangles problems (K-A)

Triangle angle challenge problem 2 (K-A)

Triangle angle challenge problem (K-A)

Triangle exterior angle example (K-A)

Worked example: Triangle angles (intersecting lines) (K-A)

Worked example: Triangle angles (diagram) (K-A)

Cylinder volume & surface area (K-A)

Volume of a cone (K-A)

Volume of a sphere (K-A)

Dilations and properties (K-A)

Dilating shapes: expanding (K-A)

Dilating shapes: shrinking (K-A)

Dilating triangles: find the error (K-A)

Dilations: scale factor (K-A)

Dilations: center (K-A)

Performing dilations (K-A)

Rigid transformations intro (K-A)

Proofs with transformations (K-A)

Identifying type of transformation (K-A)

Sequences of transformations (K-A)

Determining reflections (advanced) (K-A)

Reflecting shapes: diagonal line of reflection (K-A)