First, students will review simplifying square roots of integers. Afer that, students will learn what Heron's formula is, how to use it, and how to prove it.
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Conclude by giving your students these challenges:
- Eight Ratios by NRICH
- Circle Packing by NRICH
- Right Angles by NRICH
- Largest Number by NRICH
- 2002 AMC 8, Problem 21