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Mathematics 17 Online
OpenStudy (mckenzieandjesus):

I need help with this one too.. What is the surface area of the cone? 336π cm2 136π cm2 200π cm2 264π cm2

OpenStudy (mckenzieandjesus):

OpenStudy (mckenzieandjesus):

@DecentNabeel

OpenStudy (mckenzieandjesus):

I already tried that @LynFran the answer comes out wrong..

OpenStudy (mckenzieandjesus):

comes out as 628.32

OpenStudy (mckenzieandjesus):

@robtobey

OpenStudy (lynfran):

200picm^2

OpenStudy (lynfran):

C is the answer

OpenStudy (mckenzieandjesus):

200?

OpenStudy (mckenzieandjesus):

how?

OpenStudy (mckenzieandjesus):

help please? What is the surface area of the cylinder? 192π ft2 288π ft2 672π ft2 384π ft2

OpenStudy (lynfran):

i just plug in the last part into my calculator and it give 200pi try it\[8\pi * (8+\sqrt{(15^{2}+8^{2})}\]

OpenStudy (mckenzieandjesus):

okay well can u help me with my other question please?

OpenStudy (mckenzieandjesus):

A balloon has a circumference of 28 in. Use the circumference to approximate the surface area of the balloon to the nearest square inch. 784 in2 2,463 in2 998 in2 250 in2

OpenStudy (mckenzieandjesus):

What is the surface area of the pyramid to the nearest whole number? 30 cm2 25 cm2 60 cm2 85 cm2

OpenStudy (lynfran):

the cylinder on is 672pift2

OpenStudy (lynfran):

ok 1 question at a time please...do u need me to show u how i get the surface area for the cylinder?

OpenStudy (mckenzieandjesus):

thanks so much!

OpenStudy (mckenzieandjesus):

can u help with the other 2 ? (:

OpenStudy (mckenzieandjesus):

@jim_thompson5910

OpenStudy (lynfran):

ok i find this https://answers.yahoo.com/question/index?qid=20120510161649AAbsyVQ

OpenStudy (mckenzieandjesus):

thats not on my answer choices

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