Answer:

Step-by-step explanation:
The formula of a surface area of a cylinder:

r - radius
H - height
We have r = 40mm and H = 50mm. Substitute:

Answer:
15
Step-by-step explanation:
3rd choice i think but i could be wrong i’m kinda dumb
V = pi r^2 * h
V = pi * 9 * 6
V = 54 pi in^3
Answer:
third side = 6
Step-by-step explanation:
third side is hypotenuse as it is opposite to 90 degree
using pythagoras theorem
(perpendicular)^2 + (base)^2 = (hypotense)^2
5^2 +
= hypotenuse^2
25 + 11 = hypotenuse^2
36 = hypotenuse^2
= hypotenuse
6 = hypotenuse