Google Classroom

GeoGebra Classroom

green & red circles

Tekijä:Maurice OReilly

Aiheet:Pinta-ala, Ympyrä, Pythagoras tai Pythagoraan lause, Suorakulmio

Move pink cross. Observe, describe, estimate, measure, conjecture. What depends on what? Apply Pythagoras ... It the pink cross has coordinates

, then the radius of the red circle is

. Check this ...

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