*Altitudes & Orthocenter
Constructing Altitudes
Here is a short, silent video you can watch to remind yourself how to construct altitudes.
https://www.youtube.com/watch?v=zd1rY59WzXI
Directions:
1. Use your polygon tool to draw your triangle.
2. Construct all 3 altitudes.
3. Mark your altitudes' point of concurrency: the orthocenter.
Construct the 3 altitudes and the orthocenter of your triangle below!
Orthocenter
Where is the orthocenter located?
The Next Page
Titled: 5 Orthocenter Things Geometry Kids Should Know.
Read the captions. Drag the points. What do you notice?
You will answer this free response question at the bottom of the next page.