Geometry
Mometrix’s geometry videos are general reviews of the concepts, ideas, and topics that may be presented on an exam. Each of these videos will give a wide-scope review of what a test taker may need to know as they prepare to take a test.
Free printable geometry formulas sheet below!
Shapes
3D Geometric ShapesCongruent ShapesDetermining a KiteDiagonals of Parallelograms, Rectangles, and RhombiEllipseIntro to ParallelogramsLines and PlanesPolygonsSymmetry
Angles
Triangles
Area and Perimeter of a TriangleArea of Any TriangleCentroid, Incenter, Circumcenter, and OrthocenterGeneral Rules of TrianglesIntroduction to Types of TrianglesProof that a Triangle is 180 DegreesPythagorean TheoremRight Triangle Word ProblemSimilar Triangles
Circles
Arcs and Angles of CirclesArea and Circumference of a CircleFinding TangentPoints of a CircleSecants, Chords, and TangentsTangent Lines of a CircleThe Diameter, Radius, and Circumference of Circles
Area and Perimeter
Area and Perimeter of a ParallelogramArea and Perimeter of a TrapezoidArea and Perimeter of a TriangleArea and Perimeter of Rectangles and SquaresArea of a Rectangle with a SemicircleArea of a Trapezoid and RhombusHow to Find the Area and PerimeterLength, Width, and PerimeterThe Diameter, Radius, and Circumference of Circles
Volume and Surface Area
How to Calculate the Volume of 3D ObjectsHow to Find the Surface Area of 3D ShapesVolume and Surface Area of a CubeVolume and Surface Area of a PrismVolume and Surface Area of a PyramidVolume and Surface Area of a Rectangular PrismVolume and Surface Area of a Right Circular ConeVolume and Surface Area of a Right Circular CylinderVolume and Surface Area of a Sphere
Graphs
Transformations
Proofs
