Surface Area of a
Cylinder formula:
SA = 2Π r2 + Π dh
Find the surface area of a can which is 60 mm
tall and has a diameter of 32mm, to the nearest mm.
(let pi = 3.14)
A. 3140 sq. mm
B. 7636 sq. mm
C. 3141 sq. mm
D. 7637 sq. mm
Sam is
making a cylindrical container. The radius he is using for the
circular bases is 7". What is the length of the rectangular
sheet of metal he is using for the "tube"?
A. 43.96"
B. 25.12"
C. 50.24"
D. 14"
What is the difference in the surface area of a cylinder having a
diameter of 10' and a height of 5', and one having a diameter of 5'
and a height of 10'?
(let pi = 3.14)
A. no difference
B. 314 sq.'
C. 196.25 sq.'
D. 117.75sq.'
Jack was hired by a farmer to paint the silo on his farm. He
only had to paint the curved surface (the tube). Each gallon
of paint he was using would cover 300 square feet. If the silo
had a diameter of 28 feet and was 42 feet high, how many gallons of
paint would Jack need to complete the job?
A. 15 gal.
B. 12 gal.
C. 13 gal.
D. 31 gal.
A quarter is really a very short cylinder. It's height is
about 1 mm, and it's diameter is about 24 mm. Find the surface
area of a quarter.
let pi = 3.14
A. 979.68 sq. mm
B. 904 sq. mm
C. 200.96 sq. mm
D.765.56 sq. mm
