Solids

The cross section of a regular pyramid contains the altitude of the pyramid. The shape of this cross section is a

• circle

• square

• triangle

• rectangle

object has a volume of 17 mL.  The same object has a mass of 212 g.  What is the density of this object?

• 12.4 g/m3

• 12.4 g/mL

• 1.24 g/mL

• 12/4 mL/g

The density of this material is 2 g/cm³.
There are 24 cm³  Find the total mass.

• 12 grams

• 48 grams

• 12 g/cm³

• 48 g/cm³

what figure is formed when this circle is rotated around the x axis?

• frustum

• circle

• sphere

• cylinder

• F
• G
• H
• I

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Find the value of x.

• x = 4.5

• x = 9

• x = 30

• x = 3

Two similar cones have a scale factor of 8/27. What is the ratio of their volumes?

• 2/3

• 64/729

• 512/19683

• 8/27

What is the scale factor of the side lengths of the figure on the left to the figure on the right.

• 3/1

• 3240/120

• 27/1

• 9/1

The surface area of a certain prism is 1088 square km and its volume is 13312 cubic km. If a similar solid has a surface area of 425 square km, what is this similar solids volume?

• 3250 cubic km

• 5200 cubic km

• 1950 cubic km

• 8320 cubic km