# NEW MATH LESSONS

**Last updated:** January 26, 2023

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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Converting Celsius to Fahrenheit

Infinite Geometric Series Formula

Converting Fahrenheit to Celsius Practice Problems with Answers

Geometric Series Practice Problems with Answers

Converting Fahrenheit to Celsius

Pythagorean Theorem Practice Problems with Answers

Area of Equilateral Triangle Formula

Substitution Method Practice Problems with Answers

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