videos with an are Khan Academy videos
GEOMETRY
ANGLES
Angles in a triangle sum to 180° proof (vid)*
Practice: Find angles in triangles
Isosceles & equilateral triangles problems (vid)*
Practice: Find angles in isosceles triangles
Triangle exterior angle example(vid)*
Worked example: Triangle angles (intersecting lines)(vid)*
Worked example : Triangle Angles (diagram)(vid)*
Practice: Find angle measure using triangles
PYTHAGOREAN THEOREM
Intro to Pythagorean Theorem (vid)*
Practice: Find right triangle sides
Practice: Find isosceles triangle side lengths
Practice: Find right triangle side lengths
Pythagorean Theorem Example(vid)*
Pythagorean Theorem with Isosceles Triangles(vid)*
Practice: Using the Area of a Square to Visualize Pythagorean Theorem
Use Pythagorean theorem to find area of an isosceles triangle (vid)*
Practice: Use Pythagorean Theorem to find perimeter
Practice: Use Pythagorean Theorem to find area
Pythagorean theorem word problem: carpet(vid)*
Pythagorean theorem word problem: fishing boat(vid)*
Pythagorean theorem in 3D(vid)*
Practice: using the Pythagorean Theorem in 3D
DISTANCE FORMULA
Distance Formula(vid)*