Use Geogebra to determine if triangles are similar when they have two pairs of congruent angles. The exploration sheet and this Geogebra applet will start you on your way. The investigation sheet is available for download. AA Similarity Exploration
Explore the relationship between the ratios of sides of similar polygons. Determine how the perimeters of similar polygons relate to one another. Next explore the relationship between the area of dilations. Remember the scale factor? How does it factor in? Choose between a coordinate geometry exploration or a Geogebra exploration. Similar Polygons Explorations
You have to love people who make lemonade from lemons. A recent photo circulating in FaceBook made me envious, for just a fraction of a second, of the people in Boston who are dealing with the historic snow falls of the 2014-2015 winter. Snow Pit, South Boston, MA. 2015. Courtesy Bill McKay The [...]
