Similarity of Solid Figures

The two figures are similar. Find the scale factor of the figure on the left to the figure on the right. Then find the ratio of surface areas and the ratio of volumes.

• 2:9, 4:81, 8:729

• 2:9, 4:9, 4:81

• 2:9, 4:81, 14:6561

• 2:9, 8:729, 4:81

Two similar pyramids have slant heights of 6 inches and 12 inches. What is the ratio of the surface area of the small pyramid to the surface area of the large pyramid?( use column :)

Tags

CCSS.7.G.B.6

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Two rectangular prism are similar. The height of the first prism is 6 yards and the height of the other prism is 9 feet. If the volume of the first prism is 810 cubic yards, what is the volume of the other prism?( Type numerical part only)

Two suitcases are similar rectangular prisms. The smaller suitcase is 68 centimeters long,47 centimeters wide, and 27 centimeters deep. The larger suitcase is 85 centimeters long.

a. What is the scale factor of the prisms?( use column :)

Tags

CCSS.7.G.A.1

Two suitcases are similar rectangular prisms. The smaller suitcase is 68 centimeters long,47 centimeters wide, and 27 centimeters deep. The larger suitcase is 85 centimeters long.

B. what is the volume of the larger suitcase? round to the nearest tenth.( Type numerical part only)

What is the volume of the larger solid shown ?( round to nearest hundreds, type numerical only)

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What is the surface area of the smaller solid shown below?(Type as improper fraction, numerical only)

Tags

CCSS.7.G.B.6