Unit 8: Right Triangles & Trigonometry, Homework 8: Law of Cosines.

I don't understand how to write out the work. Help would be lovely :))

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

if you would like with a question it is easy to get an answer by including some or multi choice options

step-by-step explanation: