Scale Factor Area Geometry

• 7:5

• 343:125

• 35:25

• 5:7

• 125:8

• 25:4

• 5:2

• 4:25

What is the surface area?

• 310 ft²

• 350 ft²

• 22 ft²

• 220 ft²

What is the surface area?

• 45 m²

• 90 m²

• 100 m²

• 18 m²

• 2609733.33 m³

• 7829200 m³

• 1234100 m³

• 8675309 m³

Are these two similar, congruent or neither? State scale factor if similar

• congruent

• similar with 1/1 scale factor

• not similar or congruent

• similar with 1/2 scale factor

Find side length X.

• 22.5

• 10

• 9

• 7.5

Two spheres have a scale factor ratio of 1:3.  The smaller sphere has a surface area of 16 ft²_.  Find the surface area of the larger sphere.

• 48 ft²

• 144 ft²

• 432 ft²

• 32 ft²

Find the ratio of the surface areas from larger to smaller.

• 5/4

• 200/160

• 25/16

• 10/8

• AA
• SAS
• SSA
• SSS