Answer:
Step-by-step explanation:
- radius (r) = 3 in (Given)
- height (h) = 8 in (Given)
- It is given that: all the three cylinders are identical, means their radii and heights are equal.
- Thus, the volume of composite figure will be equal to three times the volume of single cylinder.
Answer for part a: 10 centimeters
answer for part b: 13.9 inches
70 people are in the band
10 flute players
20 trombone players
10 drummers
30 trumpet players