20 August
GeoGebra link: https://www.geogebra.org/m/hzfyjejx
GeoGebra link: https://www.geogebra.org/m/jmqytcsc
the world in a different light
GeoGebra link: https://www.geogebra.org/m/hzfyjejx
GeoGebra link: https://www.geogebra.org/m/jmqytcsc