(a) 78 yd^2
(b) 39 yd^2
(c) 756 yd^2
(d) 1512 yd^2- Find the area of a parallelogram whose base is 10 inches and whose
height is 5 inches.
(a) 30 in.^2
(b) 50 in.^2
(c) 15 in.^2
(d) 25 in.^2 - How many square inches are there in 15 square feet?
(a) 2160 in.^2
(b) 180 in.^2
(c) 225 in.^2
(d) 135 in.^2 - How many square yards are there in 4860 square feet?
(a) 1620 yd^2
(b) 540 yd^2
(c) 810 yd^2
(d) 405 yd^2 - Find the volume of a sphere whose radius is 9 inches. Usep¼3.14.
(a) 28.26 in.^3
(b) 3052.08 in.^3
(c) 972 in.^3
(d) 2289.06 in.^3 - Find the volume of a cube whose side is 3 yards in length.
(a) 9 yd^3
(b) 12 yd^3
(c) 18 yd^3
(d) 27 yd^3 - Find the volume of a cylinder whose base has a radius of 4 inches and
whose height is 9 inches. Usep¼3.14.
(a) 452.16 in.^3
(b) 226.08 in.^3
(c) 113.04 in.^3
(d) 1017.36 in.^3
CHAPTER 9 Informal Geometry 187