Metric properties

9000153603

Level: 
B
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.

9000153605

Level: 
B
Give a verbal description to the angle shown in the picture.
The angle between opposite edges.
The angle between a triangular face and an edge from the opposite triangular face.
The angle between two opposite triangular faces.
The angle between two triangular faces having a common edge.

9000153606

Level: 
B
Give a verbal description to the angle shown in the picture.
The angle between the edge on triangular face and the base edge from the same face.
The angle between the triangular face and a base edge not in this face.
The angle between two triangular faces having a common edge.
The angle between a triangular face and square base.