1.What is the cross section formed by a plane that contains a vertical line of symmetry for a tetrahedron?
a.triangle
b.square
c.rectangle
d.pentagon
- What is the cross section formed by a plane that intersects three faces of a cube?
a.triangle
b.square
c.rectangle
d.pentagon
a.triangle
b.square
c.rectangle
d.pentagon
b.square
c.rectangle
d.pentagon