Laboratory
Live figures
Drag the vertices of △ABC. Side lengths, interior angles, area, and classification update as the figure changes. Use this to feel how an obtuse corner grows as the opposite side lengthens.
- ∠A
- 50.2°
- ∠B
- 48.4°
- ∠C
- 81.4°
- Area
- 27900
- Class
- acute scalene
Drag vertices A, B, and C. Side lengths and angles update live.