# NEW MATH LESSONS

**Last updated:** August 17, 2022

Below is the list of **newly published** math lessons. The lessons are organized in reverse chronological order. This page will be updated often, so please come back from time to time to check if there’s an update. As always, please don’t hesitate to reach out to me if you find any typos or content errors. My email is **contact(at)chilimath.com**. I can’t thank you enough for visiting my site. Have a wonderful rest of your day! Cheers!

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Heron’s Formula Practice Problems with Answers

Area of the Sector of a Circle

Classifying Triangles by Angles

Classifying Triangles by Sides

Truth Tables Practice Problems with Answers

Determinant 2×2 Matrix Practice Problems with Answers

Determinant of 3×3 Matrix Practice Problems with Answers

Log Rules Practice Problems with Answers

Interval Notation Practice Problems with Answers

Distance Formula Practice Problems with Answers

Area of a Circle Practice Problems with Answers