GeoGebra Tutorial 9 - Rotating Triangles

In this video, we will investigate the coordinates of the vertices of a triangle when rotated 90, 180, and 270 degrees. In doing so, we will learn how to use the rotate about point tool and the angle slider tool. SUBSCRIBE NOW: https://www.youtube.com/user/sipnayan... Visit our website: http://sipnayan.com/ Like our FB Page:   / sipnayanph   Follow us on Twitter:   / sipnayanph   Donate on Patreon:   / sipnayan