Learn high school geometry—reasoning with two-dimensional and three-dimensional figures visually and algebraically. This course aligns with TX TEKS standards.

Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more (aligned with Common Core standards).

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a …

Unit 15: Analytic geometry Distance and midpoints Dividing line segments Problem solving with distance on the coordinate plane Parallel and perpendicular lines on the coordinate plane Equations of …

Geometry (all content) 17 units · 180 skills Unit 1 Lines Unit 3 Shapes Unit 4 Triangles

This Basic geometry and measurement course is a refresher of length, area, perimeter, volume, angle measure, and transformations of 2D and 3D figures. If you are learning the content for the first time, …

Geometric shapes are all around us. The world is built with them. In this series of tutorials and exercises you'll become familiar with Euclidean geometry and terms like scale drawings, parts of a circle, area, …

Learn fourth grade math—arithmetic, measurement, geometry, fractions, and more. This course is aligned with Common Core standards.

Learn fifth grade math—arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.

Learn high school geometry—reasoning with two-dimensional and three-dimensional figures visually and algebraically. This course aligns with TX TEKS standards.