+0  
 
0
53
3
avatar

a paint can holds 2.5 litres of paint and has a height of 19cm work out the radius?

 Feb 2, 2021
 #1
avatar
+1

pi r^2 h = volume

pi r^2 (19)= 2500      (2500 cc^3  is 2.5 liters)        solve for r

 Feb 2, 2021
 #2
avatar
0

i dont seem to understand how would i work this out this is for homework and ive  been stuck on it for 3 hrs now...

Guest Feb 2, 2021
 #3
avatar+116049 
+1

2500  = pi  * r^2   *  19     divide  both sides  by 19 pi

 

r^2  =  2500  / ( 19 pi)

 

Take the square  root

 

r  = sqrt  [ 2500 / (19 pi)  ]   ≈ 6.47 cm

 

cool cool cool

 Feb 2, 2021

21 Online Users

avatar
avatar