Henrico County Public Schools

is a program that simulates school geometry constructions. This freeware program uses Java, and runs on almost any modern platform. The author is Rene Grothmann. Click here to visit the official homepage.

**1. Basics:** Learn to use some of the basic C.a.R. construction tools.

**2. Practice:** Learn to use C.a.R. tools and geometric concepts.

**3. Assignments:** Work online and have your work checked.

**4. Animations:** These are either an animation that start/stop or view step-by-step of a construction.

**5. Problems:** Use your geometry skills to solve interesting problems.

**6. Transformations:** Explore tessellations, reflections, rotations, and perspective drawings.

**7. Circles:** Explore properties of chords and angles in circles.

**8. Percent:** Use a proportion slider to solve percent problems.

**9. Trigonometry:** Use your geometry skills to solve interesting problems.

**10. Functions:** Explore function in similar formats. *a*(*x* - *h*)^{2} + *k*, *a*|*x* - *h*| + *k*.

**11. Middle:** Explore middle school SOL topics.