
Basic Geometry | Khan Academy
Unit 4: Plane figures Unit mastery: 0% Quadrilaterals introduction Classifying triangles Parallel and perpendicular Classifying geometric shapes Lines of symmetry More on quadrilaterals …
Geometry (all content) | Khan Academy
Unit 16: Geometric constructions Constructing bisectors of lines and angles Constructing regular polygons inscribed in circles Constructing circumcircles and incircles Constructing a line …
Shapes | Geometry (all content) | Math | Khan Academy
Identify your areas for growth in these lessons: Curves and polygons Angles with polygons Geometric solids (3D shapes) Start quiz
Intro to geometric sequences (advanced) - Khan Academy
Let's talk about geometric sequences, which is a class of sequences where we start at some number, then each successive number is the previous number multiplied by the same thing.
Geometric sequences review - Khan Academy
Parts and formulas of geometric sequence In geometric sequences, the ratio between consecutive terms is always the same. We call that ratio the common ratio. For example, the …
Intro to geometric sequences (video) | Khan Academy
In this video I want to introduce you to the idea of a geometric sequence. And I have a ton of more advanced videos on the topic, but it's really a good place to start, just to understand what …
Get ready for Geometry | Math | Khan Academy
Unit 4: Get ready for circles and solid geometry Unit mastery: 0% Area and circumference of circles Slicing geometric shapes Volume and surface area word problems Volume of cylinders, …
High school geometry - Khan Academy
Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more (aligned with Common Core standards).
Geometric constructions | Geometry (all content) - Khan Academy
Unit 16: Geometric constructions About this unit We now have fancy computers to help us perfectly draw things, but have you ever wondered how people drew perfect circles or angle …
Use geometric sequence formulas (practice) | Khan Academy
Given the formula of a geometric sequence, either in explicit form or in recursive form, find a specific term in the sequence.