Solids: Prism and Pyramid

頂

• vertex

• edge

• face

• lateral face

• base

棱

• vertex

• edge

• face

• lateral face

• base

面

• vertex

• edge

• face

• lateral face

• base

側面

• vertex

• edge

• face

• lateral face

• base

底

• vertex

• edge

• face

• lateral face

• base

This is a __________ .

• quadrilateral pyramid

• triangular prism

• triangular pyramid

• quadrilateral prism

This is a __________ .

• pentagonal pyramid

• hexagonal pyramid

• heptagonal prism

• hexagonal prism

A pentagonal prism has ...

• 10 vertices, 15 edges, 7 faces

• 10 vertices, 5 edges, 2 faces

• 6 vertices, 10 edges, 7 faces

• 6 vertices, 15 edges, 7 faces

A n-sided pyramid has ...

• n sides

• ( n + 1 ) vertices

• 2n edges

• ( n + 1 ) faces

A n-sided prism has ...

• n sides

• 2n vertices

• 3n edges

• (n + 2) faces