How to find the surface area of a cylinder given only diameter and length?

area

Hint: Picture the surface area as a rectangle that wraps around the cylinder. The side lengths of the rectangle are the circumference of the circle and the height (length) of the cylinder. Then you would just add the area of both circles.

Related

How to show symmetry about origin of two iid pdf
Show closedness of $D:=\bigcup\limits_{k=1}^{\infty}\left[k-\frac{1}{2^{k+1}},k+\frac{1}{2^{k+1}}\right]$
Proof explanation about why $\liminf_{n}X_{n}$ is a random variable
Symmetric property of a binary relation
Relation between a filter and its complement being an ideal.
Find the smallest natural number k such that between k different and in pairs relatively prime natural numbers less than 2021 there's a prime number
Infinite subset in compact metric space
How can we taking derivatives on $UV$ w.r.t a vector $\mathbf{x}$ by using the chain rule and $d(UV)=dU\cdot V + U\cdot dV$?
Comparison Isomorphism
Which one is greater in value: $3ab^2$ or $a^3+2b^3$?
Origin of "You've got nice ... here. It would be a shame if something happened to it"
Reminder of, or reminder on?