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Henri Picciotto's Math Education Page

Henri Picciotto

- Two side lengths are labeled. What is the area of the large square? The small square?
- What is the shaded area?
- Use the slider.
- What are the sides of the shaded rectangle? What is its area?
- Write an equality suggested by this figure.
- Prove the same equality using algebra.

Download the GeoGebra file.