whats the height of the cylinder....
we cant find radius if not given height too
V = pie r^2 h
1357 = 22/7 x r^2 x 12
1357 = 264/7 r^2
multiply both side by 7/264 ;
r^2 = 36
r = 6in
Answer:
A=
π
r
2
=
π
3
2
≈
<u>28.27433</u>
Step-by-step explanation:
Answer:
the percentage of band members play the trumpet is 8%
Step-by-step explanation:
The computation of the percentage of band members play the trumpet is shown below:
= Play trumpet people ÷ Total people
= (9 + 3) ÷ (90 + 60)
= 12 ÷ 150
= 8%
Hence, the percentage of band members play the trumpet is 8%
