The volumes of two similar solids are 729 m3 and 125 m3. The surface area of the larger solid is 324 m2. What is the surface area of the smaller solid?

A) 56 m2

B) 100 m2

C) 500 m2

D) 200 m2

Question

Mathematics

Bentley Frey

24 January, 03:25

The volumes of two similar solids are 729 m3 and 125 m3. The surface area of the larger solid is 324 m2. What is the surface area of the smaller solid?

A) 56 m2

B) 100 m2

C) 500 m2

D) 200 m2

+4

Answers (1)

Know the Answer?

Morris · Answer 1

The correct answer is option B) : "100 m2" because:

the ratio of the two solid is 729/125

the ratio of the surface area = (729/125) ^ (2/3) = 81/25

surface area = 25 * 324 / 81 = 100 m 2

The volumes of two similar solids are 729 m3 and 125 m3. The surface area of the larger solid is 324 m2. What is the surface area of the smaller solid?A) 56 m2B) 100 m2C) 500 m2D) 200 m2

The volumes of two similar solids are 729 m3 and 125 m3. The surface area of the larger solid is 324 m2. What is the surface area of the smaller solid?

A) 56 m2

B) 100 m2

C) 500 m2

D) 200 m2