Working in 3-D Sudoku

Working in 3-D

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Directions. Solve each problem and place the answer number in the column-row indicated. When finished, solve the rest of the puzzle.

1. The radius of a sphere is 4 feet. What is the area of the great circle of this sphere to the nearet tenth? A-4

1) 804.2 sq. ft.	2) 50.3 sq. ft.
3) 50.2 sq. ft.	4) 50.1 sq. ft.

2. A cylinder and a cone each have a radius of 4 cm. and a height of 10 cm. What is the ratio of the volume of the cone to the volume of the cylinder? F-7

1) 1:2

2) 1:3

3) 3:1

4) 2:1

3. A rectangular gift box with whole number dimensions has a volume of 36 cubic inches. What are the dimensions of the box requiring the least amount of wrapping paper to cover the box? G-4

1) 2 x 3 x 6 in.	2) 9 x 2 x 2 in.
3) 3 x 3 x 4 in.	4) 4 x 9 x 1 in.

4. When the dimensions of the radius and height of a cylinder are tripled, the volume is: C-3

1) tripled

2) multiplied by 8

3) multiplied by 9

4) multiplied by 27

5. A swimming pool in the shape of a retangular prism has dimensions 26 feet long, 16 feet wide, and 6 feet deep. How much water is needed to fill the pool to 6 inches from the top? E-4

1) 2288 c.ft.

2) 2496 cu.ft.

3) 2418 cu.ft.

4) 2216.5 cu.ft.

6. The Great Pyramid of Giza is a right pyramid with a square base. The length of a side of the base is approximately 230 meters and the slant height of the pyramid is paproximately 464 meters. To the nearest cubic meter, what is the volume of the Great Pyramid? B-5

1) 8181867 cu.m.

2) 8058661 cu.m.

3) 7926590 cu.m.

4) 23778550 cu.m.

7. A right circular cylinder with a height of 8 inches and a diameter of 3 inches was designed to hold water. If the container is filled to two-thirds full with water, what is the volume of the water in the container, to the nearest cubic inch? C-7

1) 57 cu.in.

2) 19 cu.in.

3) 38 cu.in.

4) 151 cu.in.

8. The number of faces in an icosahedron is: H-2

1) 6

2) 8

3) 12

4) 20