3-D Geo Review - Surface Area & Volume

576.5

The volume of a cone is 593.46 cm³. If the height of the cone is 7 cm, the surface area of the cone is _____ cm². Use π≈3.14

3

The volume of a hemisphere is 56.52 cm³. The radius is ______ cm.

1827.8

The volume of the breadbox is ______ cubic inches. Use π≈3.14 and round to the nearest tenth.

125

What is the percent increase in the surface area of a tangerine with a diameter of 5.6 cm to an orange with a diameter of 8.4 cm? Use any form of pi you wish. (Notes: assume both shapes are spheres & the percent symbol is left off of the answer.)

rectangle

What shape is the cross section of the star-prism that is perpendicular to the base?

triangle

What shape is the cross section of the triangular prism parallel to the base?

circle

A cross section of a cylinder is perpendicular to the base. Which of the following shapes is not a possible cross section? Rectangle, square, or circle?

379.2

The area of the base of the pentagonal pyramid is 71.1 cm and the height is 16cm. The volume is _____ cubic centimeters.

198

The area of the lateral faces of a right rectangular prism is 144 cm². Its length is three times its width and its height is twice its width. The surface area is ____ square cm.

87.6

The diameter of the handle of a barbell is 1 inch. The hexagonal weights are identical. The surface area of the barbell is ______ square inches. Use π≈3.14 and round your answer to the nearest tenth.

1.25

The surface area of a cylinder is 87π cm². The radius is 6 cm, the height is ______ cm.

351.6

The surface area of the composite solid is ______ square inches. Round to the nearest tenth. Figure is not drawn to scale.