Find the surface area of the cylinder to the nearest tenth of a square unit. Use = 3.14.

A. 228 cm^2
B. 399.4 cm^2
C. 165.7 cm^2
D. 371.1 cm^2

Question

Find the surface area of the cylinder to the nearest tenth of a square unit. Use  = 3.14.

A. 228 cm^2
B. 399.4 cm^2
C. 165.7 cm^2
D. 371.1 cm^2

meilendurcer · Answer

@BrittanyFrench

anonymous · Answer

I know to find the volume of a cylinder you use V=BH but you are looking for the surface area, hold on one sec

meilendurcer · Answer

ok.

anonymous · Answer

okay, try 2*pi*r*h
r=radius
h=height

anonymous · Answer

Okay, the answer I got was not any of your choices

meilendurcer · Answer

i knew it

anonymous · Answer

? knew what?

meilendurcer · Answer

i tried and my answers weren't anywhere close

anonymous · Answer

Yeah! Mine weren't either.. trying to figure out what i did wrong

anonymous · Answer

it's B

meilendurcer · Answer

thank you

anonymous · Answer

area circle = $$\pi \times3^2=9 \pi $$ $$2\times9\pi=18\pi$$area rectangle=
$$6\pi \times18.2=343.06$$$$18\pi+343.06=399.61$$

anonymous · Answer

Sorry meilendurcer, I really couldn't find the answer