Find the length of CA to the nearest tenth of a foot

CA ≈ 3.1 ft

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan40° = = = ( multiply both sides by CA )

CA × tan40° = 2.6 ( divide both sides by tan40° )

CA = ≈ 3.1 ft ( to the nearest tenth )

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

can you post the graph?