Answer:
The surface area of the cylinder is
Step-by-step explanation:
The surface area of a cylinder is express
where is the radius of the cylinder and its height
Therefore, if the radius of the cylinder is
and its height
the surface area should be
Your question is incomplete sir
Answer:
ok
Step-by-step explanation:
9514 1404 393
Answer:
14 +2i
Step-by-step explanation:
For this sort of problem, you can treat i as though it were a variable. Combine like terms.
(8 -7i) +(6 +9i) = (8 +6) +(-7 +9)i
= 14 +2i
A 225 degree angle is equal to 3.92699 radians, but you can round that off to 3.93