Unit Test #16

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

What is the formula for the volume of a cylinder?

A. V = π r3 h
B. V = 2π r3
C. V = π r2 h
D. V = 2π r2 h

Answer 1:

 

 

Q2:

 

A cylinder has a height of 3 cm and a radius of 5 cm.

What is its volume?

(Use π = 3.1)

A. 232.5 cm3
B. 465 cm3
C. 387.5 cm3
D. 775 cm3

Answer 2:

 

 

Q3:

 

What is the area of the curved surface of this hollow pipe?

Use π = 3.1

 

A. 620 cm2
B. 775 cm2
C. 1550 cm2
D. 310 cm2

Answer 3:

 

 

Q4:

 

What is the volume of the cylinder above? (Assume it is solid.)

 

A. 775 cm3
B. 387.5 cm3
C. 3100 cm3
D. 1550 cm3

Answer 4:

 

 

Q5:

 

A cylinder is which type of solid?

 

A. pyramid
B. polygon
C. polyhedron
D. prism

Answer 5:

 

 

Q6:

 

A closed cylinder has a diameter of 20 mm and a height of 20 mm.

What is its volume?

A. 6 200 mm3
B. 3 100 mm3
C. 1 550 mm3
D. 12 400 mm3

Answer 6:

 

 

Q7:

 

What is the surface area of the cylinder in question 6? A. 1240 cm2
B. 930 cm2
C. 1550 cm2
D. 1860 cm2

Answer 7:

 

 

Q8:

 

A cylinder has a volume of 0.4 m3.

What is this volume in cm3

A. 4 000 000 cm3
B. 400 000 cm3
C. 4 000 cm3
D. 400 cm3

Answer 8:

 

 

Q9:

 

A hollow cylinder has a radius of 4.5 cm and a height of 8.1 cm. What is its volume?

Use π = 3.1

A. 508.5 cm3
B. 282.5 cm3
C. 1017 cm3
D. 113 cm3

Answer 9:

 

 

Q10:

 

For the cylinder in question 9, what is the area of the curved surface? A. 113 cm2
B. 226 cm2
C. 452 cm2
D. 62.8 cm2

Answer 10: