**Make an obtuse angle by using the three black points as follows.**
**Drag the vertex of the angle to place the vertex at the correct black point.**
**Drag the points on the rays to make the rays go through the other two black points.**
*The arc symbol near the vertex indicates the angle being measured.*
[[☃ interactive-graph 1]]
This is an obtuse angle because its measure is [[☃ dropdown 1]] $90^\circ$.