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Mathematics 8 Online
OpenStudy (anonymous):

Can someone tell me if my answers are correct??? Lateral area =? Is the area 48Sqr Units?? Area of the base = ? is this 16 SQRunits? https://media.glynlyon.com/g_geo_2012/8/group100.gif

OpenStudy (jdoe0001):

48Sqr Units?

OpenStudy (jdoe0001):

are you supposed to have something else there?

OpenStudy (anonymous):

Nope. Just need to find the lateral area an area of base

OpenStudy (jdoe0001):

well, if you meant 48 alone, not quite keep in mind that Lateral Area for a cylinder would be \(\bf \large 2 \pi r h\) r = radius h = height

OpenStudy (anonymous):

24?

OpenStudy (jdoe0001):

\(\bf \huge 2 \color{red}{\pi} r h\)

OpenStudy (jdoe0001):

you know, that pesky \(\large \pi \) =)

OpenStudy (anonymous):

not really lol. I am new to this kind of math and the teacher doesnt like explaining

OpenStudy (jdoe0001):

w00t? they have even made movies from \(\huge \pi\) the latest movie on it is called "the life of \(\pi\)"

OpenStudy (jdoe0001):

anyhow, is a constant, and it would be in your calculator

OpenStudy (anonymous):

Lol :D my answer would be 96!

OpenStudy (jdoe0001):

hmmm, you can either leave it as \(\bf \large 2 \pi r h \implies 2 \pi \cdot6 \cdot4 \implies 48 \pi\)

OpenStudy (jdoe0001):

or multiply it by \(\large \pi \) as I said, is a constant and it will be in any calculator

OpenStudy (anonymous):

ohhh so I was right . So 48 lateral and 64 base?

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