# Worksheet: Polyhedrons and Nonpolyhedrons

In this worksheet, we will practice defining and identifying polyhedrons and nonpolyhedrons, identifying bases of shapes, and naming polyhedrons according to the shapes of their bases.

Q1:

Which of the following is the base of this cone? • A • B • C Q2:

What shape is the base of a cylinder?

• Atriangle
• Bsquare
• Crectangle
• Dcircle

Q3:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Arectangle, rectangular pyramid
• Bsquare, cube
• Coctagon, octagonal prism
• Dpentagon, pentagonal pyramid
• Esquare, rectangular pyramid

Q4:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Aoctagon, octagonal prism
• Brectangle, rectangular pyramid
• Ctrapezoid, trapezoidal pyramid
• Dpentagon, pentagonal pyramid
• Etrapezoid, trapezoidal prism

Q5:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Apentagon, pentagonal pyramid
• Brectangle, rectangular pyramid
• Coctagon, octagonal pyramid
• Dtrapezoid, trapezoidal prism
• Eoctagon, octagonal prism

Q6:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Atrapezoid, trapezoidal prism
• Bpentagon, pentagonal pyramid
• Chexagon, hexagonal pyramid
• Dpentagon, pentagonal prism
• Erectangle, rectangular pyramid

Q7:

How many bases does a cylinder have?

Q8:

The cone has base(s).

Q9:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Apentagon, triangular pyramid
• Btriangle, triangular pyramid
• Coctagon, octagonal prism
• Dpentagon, pentagonal pyramid
• Etriangle, triangular prism

Q10:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Apentagon, pentagonal pyramid
• Boctagon, octagonal prism
• Crectangle, rectangular pyramid
• Drectangle, rectangular prism
• Etrapezoid, trapezoidal prism

Q11:

How many bases does a sphere have?

Q12:

How many bases does this cone have? Q13:

Which of these shapes has no flat faces, no bases and no vertices?

• Aa cuboid
• Ba cone
• Ca sphere
• Da cylinder

Q14:

What shape is the base of a cone?

• Aa circle
• Ba triangle
• Ca rectangle

Q15:

How many bases does a triangular prism have?

Q16:

Which of the following shapes has two circular bases?

• Aa cylinder
• Ba cuboid
• Ca cone
• Da sphere

Q17:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Aoctagon, octagonal prism
• Bsquare, square prism
• Ctriangle, triangle pyramid
• Dsquare, square pyramid
• Epentagon, pentagonal pyramid

Q18:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Apentagon, pentagonal pyramid
• Brectangle, rectangular pyramid
• Ccircle, cylinder
• Dcircle, sphere
• Eoctagon, octagonal prism

Q19:

What shape is the base of a cone?

• Atriangle
• Bsquare
• Ccircle
• Drectangle

Q20:

For the figure below, identify the shape of the base(s). Then, classify the figure. • Atriangle, triangular prism
• Bpentagon, pentagonal pyramid
• Crectangle, rectangular pyramid
• Dtriangle, triangular pyramid
• Erectangle, triangular prism

Q21:

How many bases does the following shape have? Q22:

How many bases does the following shape have? Q23:

What shape is the base of a cylinder?

• Aa circle
• Ba triangle
• Ca square

Q24:

How many bases does the following shape have? Q25:

Which of the following shapes has one vertex and one circular base?

• Aa cylinder
• Ba cone
• Ca cuboid
• Da sphere