Similar Solids Find the Lengths

Find the scale factor of the side lengths of the figure on the left to the figure on the right. HINT: Find the volume ratio first.

• 3/1

• 3240/120

• 27/1

• 1/3

Find the ratio of the surface areas from large to small. HINT: Find the ratio of the side lengths first.

• 49/16

• 7/4

• 42/24

• 10/8

Tags

CCSS.7.G.B.6

The figures are similar. Solve for w.

• 258 cm

• 260 cm

• 268 cm

• 270 cm

Tags

CCSS.HSG.SRT.B.5

The figures are similar. Solve for w.

• 12 ft

• 16 ft

• 20 ft

• 30 ft

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.

• 3:4, 27:8, 9:128

• 3:1, 9:1, 27:1

• 3:1, 9:1, 81:1

• 3:1, 6:1, 9:1

The figures are similar. Solve for k.

• 275 in

• 279 in

• 282 in

• 284 in

Two similar pyramids have heights of 4 inches and 7 inches.  What is the ratio of the volume of the small pyramid to the volume of the large pyramid? 

• 4:7

• 16:49

• 64:343

• 12:21

The ratio of the volume of two spheres is 8:27. What is the ratio of their radii?

• 2:3

• 4:9

• 3:4

• 64:729

• F
• G
• H
• I

Tags

CCSS.7.G.A.1

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

• Congruent

• Vertical

• Similar

• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6