balls inch 27 cm
08. Find the surface area of a cube with a side of length 3 cm.
a. 9 cm?
b. 27 cm?
C. 54 cm
d.71 cm?
9. What is the surface area of the figure at the right?
W.04
a. 1256 m2
b.12.56 m2
10. The diameter of the base of a cylinder is 8 cm and the height is 3cm. Find the surface area of the
C.125.6 m2
d.1.256 m2
solid cylinder.
a. 527.52 cm? b. 527 cm?
c. 301.44 cm? d. 226.08 cm?
11. Kate has a sewing box which is 20 cm by 10 cm by 5 cm. She wants to cover it completely with
silk cloth. What is the area she has to cover?
a. 850 cm?
b. 155 cm?
C. 460 cm?
d. 700 cm?
12. A plastic beach ball has a diameter of 16 cm. What is its surface area?
a. 703.12 cm? b. 803.84 cm? C. 934.97 cm? d. 512.83cm?
13. The lateral area of a cylinder is 94.2 cm². The height is 6 cm. What is the radius?
a. 2.1 cm
b. 3.8 cm
c. 2.5 cm
d. 4.6 cm
14. What is the surface area of a cone with 2cm radius and 6cm high?
a. 50.24 cm?
b. 61.34 cm?
C. 53.28 cm?
d. 62.20 cm?
15. Allan is wrapping a present. The box he is using is a rectangular prism with a length of 18 inches,
a width 12 inches and a height of 6 inches. Find how many square inches of wrapper he needs to
cover the entire box.
a. 496in?
b. 1064 in?
d. 792 in?
C. 698 in?​​