Today we Learned

Today in math we learned about how similar shapes are scaled, and we used a program on the computer to show us how you change the side lengths and the position of a similar figure on a grid. Using the scale factor we learned if you multiply a number by both the x and y axis you will get a corresponding figure. The example Ms. Favazza gave us was that if you multiply a rectangle with dementions of 3cm width and 2cm height by 3 you will get a figure that is corresponding that has a 9cm width and a 6cm height, that is exactly 3 times larger than the original image. On the computer program geometric sketchpad where you could change the scale of the image, you could make it both corresponding and not, you could also change it so the image would be parralel or above the original image.