+0  
 
+3
67
2
avatar+266 

Please help

 

 Apr 13, 2020
 #1
avatar
+2

it's 7:11 because surface area of a cylinder is 2\(\pi\)rh+2\(\pi \)r^2, so you have to take the square roots of 49 and 121 and you get 7:11

 Apr 13, 2020
 #2
avatar+266 
+1

Thank you so much!

Mathisgood  Apr 13, 2020

31 Online Users

avatar
avatar
avatar
avatar
avatar