This week in Geometry we are learning about applications of proportions using triangles and polygons. Here is an easy video discussing what we learned so far this week, concerning the mirror activity from Monday.
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In the video, the setup is little height over big height equaled to little shadow over big shadow.
In the video below, the teacher explains how to show that two polygons are similar. Here is another way, the corresponding parts are AE ~ QU and ED ~ UT. So when you divide AE by ED and divide QU by UT, you will get the same value. Check it out and see for yourself.
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