9000153603

Level: 
Project ID: 
9000153603
Accepted: 
1
Clonable: 
0
Easy: 
1
Give a verbal description to the angle shown in the picture.
The angle between two opposite triangular faces.
The angle between a triangular face and the base.
The angle between two edges in the same triangular face.
The angle between two triangular faces having a common edge.