Video

Drawing acute, right and obtuse angles (Full video)

Khan Academy

Supporting grades: 4

Description: Learn how to draw acute, right, and obtuse angles with given points. Created by Sal Khan. Make the other ray go through one of the other points to make an acute angle. And we have to be very careful here because we have to look at this arc that shows which angle the tool is actually measuring. But the tool thinks we're referring to this outer angle right over here, this larger huge angle.

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