Page 66 - Math Course 3 (Book 2)
P. 66
Similar Solids
Real World Example
Your Turn! TRAINS
A scale model of a railroad boxcar is built on a
Find Surface Areas of Similar Solids scale of 1 inch to 50 inches and has a volume of
A cube has a surface area of 294 square 72 cubic inches. What is the volume of the actual
centimeters. If the dimensions are doubled, boxcar?
what is the surface area of the new cube?
A. 9,000,000 in³
A. 73.5 cm² B. 373,248 in³
B. 392 cm² C. 180,000in³
C. 588 cm² D. 3,600 in³
D. 1176 cm²
Answer Answer
Skill Practice!
Determine whether each pair of solids is similar.
1. 2.
3. 4.
58
